Program java phone jobs

...impactful and luxurious one-page landing page for my medical aesthetic clinic. We need a design that resonates with our primary target audience - Women, and accentuates the premium nature of our services - Botox treatments, Skin rejuvenation, Laser hair removal, and Skin tightening. Key Features: - The design should include an email button for appointment requests. - A function to display our phone number prominently. - I desire a design that aligns with the art on (my website) Ideal Skills: - Proficiency in graphic design and web development - Experience in Wix or similar platforms - Prior experience designing websites for healthcare, or high-end services - Understanding of the aesthetic needs of a female audience. I look forward to your creative designs and engaging

...Managers and Dispatchers in small to mid-sized carriers. The one-page design must adhere to our corporate brand book, reflecting simplicity, efficiency, and modernity. Ensure all designs are scalable, accessible from the most popular browser (Chrome, Safari, and Blink) and mobile devices (three layouts - phone, tablet, and computer), fast to load, and aligned with the latest web standards. The website must feature a responsive design that automatically adjusts to desktop, tablet, and phone screens, ensuring a seamless and efficient user experience. The site should be compatible with major browsers, including Chrome, Safari, Microsoft Edge, and Firefox, to accommodate the preferences of all users. The design will include three distinct layouts optimized for the different s...

This project requires a talented Android developer to work on a location-based application. The app needs specific features such as: - Push notifications - GPS location tracking As the objecti...their locations, experience with developing navigation apps or similar is advantageous. The ability to intuitively integrate location tracking services is a must. Please note that e-commerce components will not be a feature in this project, thus focus is purely on creating an effective and user-friendly navigation system. Ideal Skills: - A strong understanding of Android SDK - Proficiency in Java or Kotlin - Experience with location tracking services - Knowledge of push notifications If you believe this fits your skillset, do not hesitate to place a bid for this engaging and challengin...

I am seeking a proficient programmer to develop a scraping application for the purpose of extracting text data from websites. This project is sensitive, considering that the targeted websites demand API keys for access. Accordingly, the ideal candidate should be familiar with both GET and POST methods as well as API integration and management. Experience with data extraction and web scraping from API authenticated websites is a must. Skill requirements: • Web scraping • HEADERS • CUSTOM HEADEARS • STRINGS • URLLIB • Working knowledge of GET & POST methods • Experience with API authentication • Exceptional skills in data extraction, especially text. • loliscript • SilverBullet

...owner to install it for free 2. Record all previous and new customers into a cloud database (name, email, phone, items purchased, store info etc). 3. If the status of an order has payment due on delivery and the delivery is rejected, mark that user in the database as risky. Do the same if the user has had rejected payments or if the user has returned products before 4. When an order is put in from a “Risky” user that has shown risky behavior listed above at another store, show “Risky” if the user has had a Risky behavior as mentioned above, show “Safe” if the usuer is in the database as having made payments to other stores. 5. When this happens send the data to webhook (store email, store phone number, customer name, customer email, etc....

creating an AI program to answer client calls, have a conversation with client about their need the reason for the appointment, get the name of the client, get the phone number from the client, get the email address from the client, ask the day and time that they want to come to the office, lookup the calendar for availabilities, make the appointment if available, if not available, then offer other available time slots, and make appointment. Once the appointment is set, and confirmed, an email and text message goes out to the client confirming their appointment.

I am looking for an individual well-versed in all the features released on Java 8 for a four-hour stint. You'll be required to utilise your deep knowledge pertaining to Lambdas, Streams, Optional, and Default methods among others. * Key Skills Required: - Extensive knowledge and experience with Java 8 - Deep understanding of Lambdas, Streams, Optional, and Default Methods - Ability to convey complex concepts succinctly and clearly Although the timeframe for project completion was unmarked, I would appreciate a speedy delivery without compromising quality.

...Detailed-oriented and follows work requirement 5. Structured programming skills 6. Self-testing attitude of own finished work before delivery 7. Expert in writing scripts, cron jobs, and debugging code 8. Expert skills in CSS, HTML, PHP, MYSQL 9. Adhere to the task timeline and detailed logging of work hours 10. Prompt communication with the lead developer and project manager via WhatsApp, Email, phone Work Requirement 11. Debug and fix issues related to WooCommerce product page payment plans 12. Blog categorization and navigation 13. Quiz template changes 14. Configuration of subscriptions and payment plans 15. Any other development, debugging, and support issues as they arise The selected developer will work under the supervision and guidance of the lead developer for all...

I'm in need of an expert in Data Structure and Algorithms (DSA) with a profound understanding of Java. Specifically, I am looking for someone who has: - A high level of expertise in Java programming. - Advanced experience in various areas of DSA, including Graphs, Trees, and Sorting and Searching. - A proven track-record and extensive experience in the field, as this is not a task for beginners or intermediates. Your adeptness to solve complex problems creatively and efficiently will make you an ideal candidate for this project. I look forward to reviewing your bids.

I want an simple android app for phone. This app when is started wait for an sms with a text predefined if this mesage recived get the gps coordinate and send back. This app have to work after start also in background so if phone go in stadby mod also waiting for sms and send back the gps message. Have to bee simple text imput for waiting message and start/stop button.

I am seeking an experienced mechatronics engineer / Raspberry Pi developer to create a plotter that can be controlled remotely. The mechanism will be used to control a phone via a computer on a different WiFi network. The phone will be laid down and there will be a stylus above the screen which can move in X Y directions as well as lift slightly on Z. There will be a camera facing the phone to see what is happening on the phone in real time. There will be an interface for controlling the mechanism remotely which includes the camera feed as well as buttons to move the stylus on each axis. The final design will look similar to this:

I am looking for someone who can help me construct an API that can extract both text and images from Flyers ( Sample attached) Though preference wasn't specified regarding programming language, candidates with a strong understanding of Python, Java or PHP are welcome. Ideal Skills: - The candidate must be well-versed with handling PDF files and structures. - Detailed understanding and a proven track record in developing APIs is essential. - Familiarity with a variety of programming languages is desired. Application requirements: - Interested freelancers should include experiences on previous work relevant to PDF Extract API. - Detailed project proposals explaining their approach towards this project will be appreciated, though not mandatory. Note: The project deliverable w...

...Virtual Assistant to handle key tasks that will help streamline my day-to-day operations. These include but are not limited to: - Answering phone calls - Responding to emails - Scheduling appointments Ideally, the candidate should be familiar with using GoTo and Zoom for phone and email operations. Moreover, the ability to efficiently manage multiparty communications via a shared email inbox is essential. Preferred Communication Platforms: The ideal candidate needs to be proficient in using GoTo Connect, our preferred mode of communication. Key Skills & Experience Needed: - Exceptional verbal and written communication skills - Familiarity with virtual phone systems and shared email inboxes - Experience in using GoTo Connect - Proven ability to manage schedu...

I'm focusing on enhancing my music listening experiences, particularly the album art exhibit across my devices. Here's what I'm looking forward to achieving: - Achieving consistent album art display - Developing custom album art for each song - Synchronizing album art across devices I primarily use the stock android player and Rocket Player (subscription) on my phone, tablet, and car. Currently, not all of my album arts are showing, with most displaying as "stock" or default images despite having a jpg file in each album folder. However, I'm not looking for a tool to automatically fetch and update album art for my music files. I prefer a manual operation to ensure control over what displays. Using TeamViewer for remote assistance is agreeable to me....

I am in need of a professional with a solid background in lead generation, particularly within the healthcare industry. I aim to gather consumer leads with specific information as per the following: - Contact Details: The basic contact information for each lead is crucial. This will include details such as name, address, phone number and email. - Demographic Information: To help better target my strategies, I would like to also have the age, gender, income, and similar demographic information included in each lead. Experience in the healthcare industry is a huge advantage and data procurement techniques on this subject will be prioritized. Accuracy and thoroughness are vital as the information will significantly influence business decisions and strategies. Your ability to deliver...

I am in urgent need of accurate data extracted from Indeed, focusing specifically on: - Company Names - Contact Phone Numbers - Company E-mail Addresses The data will be sourced from job listings within the site. The timeframe is immediate. The ideal freelancer will possess: - Proven experience in web scraping and data extraction - Excellent attention to detail - Proven capacity to work quickly and accurately - Strong reviews and job history related to similar projects. Please ensure your proposal includes a timeframe for completion, considering the ASAP nature of this project.

... and manage various administrative tasks. The ideal candidate should possess excellent communication skills, attention to detail, and the ability to work independently. Responsibilities: Email Management: Respond to emails promptly and professionally. Organize and prioritize emails for efficient communication. Text Responses: Handle text messages promptly, conveying information accurately. Phone Calls: Make and receive calls on behalf of the company. Provide information and assistance as needed. Administrative Tasks: Assist in various administrative duties such as data entry, document preparation, and scheduling. Requirements: Previous experience as a Virtual Assistant or in a similar role. Excellent written and verbal communication skills. Ability to handle multiple tasks...

I'm looking for a proficient developer to create a chat app compatible across iOS, Android, and Web platforms that will accommodate group chats, file sharing, and ensure message encryption for user security. The app should support a user registration process via email and password as well as phone number verification. Proven experience in mobile and web application development is required, with particular emphasis on chat applications. A strong grasp of encryption protocols and user authentication processes is highly valued. Skills in UI/UX design will also be considered beneficial. same as app call :Honey Jar - voice chat & party. the language will be only Arabic.

I'm seeking a highly skilled and experienced Java developer with proficient knowledge in MYSQL and IntelliJ for the creation of a user-friendly Boarding Management System. This project involves a two-page application with an intuitive and aesthetically pleasing GUI. Key Features Requirements: - Employee Management: This system should have an administration level and employee level access. Details to be tracked for each employee include Name, Contact Information, their Attendance record, and data pertaining to Exits and Returns such as Exit Date, Exit Time, Return Date, and Return Time. The ideal freelancer for this project should be one who pays attention to detail, meticulously records data, and ensures concise coding practices. A keen understanding of user interface and u...

ipv6 osi ipv4 ethernet and alL I think to be able to do this you should be expert in java, If you think you are expert in this topic kindly place a bid to enable us discipv6 osi ipv4 ethernet and discuss about the requirement clearly and decide on timeline

ipv6 osi ipv4 ethernet and alL I think to be able to do this you should be expert in java, If you think you are expert in this topic kindly place a bid to enable us discipv6 osi ipv4 ethernet and discuss about the requirement clearly and decide on timeline

ipv6 osi ipv4 ethernet and alL I think to be able to do this you should be expert in java, If you think you are expert in this topic kindly place a bid to enable us discipv6 osi ipv4 ethernet and discuss about the requirement clearly and decide on timeline

I'm in need of a proficient Excel professional who can seamlessly help with the data entry of contact details. The task will primarily involve entering names, phone numbers, email addresses, and postal addresses into an Excel sheet. Ideal Skills: - Proficient in Excel with a focus on data entry. - Thorough, detail-oriented, and committed to accuracy. - Previous experience dealing with similar data entry projects. This project is integral to an ongoing data management task, so a meticulous approach to capturing and organizing data is essential. If a strong rapport is developed, there could be opportunity for further collaboration on upcoming projects.

...leverages artificial intelligence to streamline the college application review process. The platform will conduct a multi-factor evaluation of student applications, integrating seamlessly with existing college data systems to identify candidates who best fit the institution’s profile. Key Responsibilities: Collaborate with us to refine the requirements and workflows of the AI analysis and the AI phone agent components. Develop a secure platform that performs preliminary analysis of applicants using AI, based on a range of data points including academic performance, standardized test scores, extracurricular activities, essays, and more. Implement an AI call agent that conducts initial interviews with applicants, scheduling them automatically and recording the results for r...

I need someone to help me to write a simple code by C programming language.

...deliver the Project: 1. Update full code 2. Update packages 3. Install firebase 4. Integration of phone authentication 5. Update backend with new authentication method Main purpose: The step of OTP registration has to work at EVERY android device. That is the main purpose of that update. Please, you have to some update the html map of to load the events also. And the update has to be for both languages English/Greek, so you will send me the greek file to update. And Google sent me a notification just to update my APP in order to work with latest Android. So, I release the payment when the APP could be installed at every android device AND the user is able to submit his phone number without any problem....

...modifications on my app to make it more suited to the Chinese market. REQUIREMENTS: * Integrate and deploy the app with Chinese video play platforms such as Baidu Cloud, Tencent Cloud, and Alibaba Cloud. * Modify the app to include Chinese cultural elements to create a localized user interface. * The app should work conveniently without the need for a VPN in China. * It shoud be work in android and Ios phone IDEAL SKILLS: * App is develped with DART languge (Flutter) * Previous experience with Baidu Cloud, Tencent Cloud, and Alibaba Cloud. * Understanding of Chinese culture and symbolism to incorporate appropriate design elements. * Experience in creating apps that operate without a VPN in restricted network environments. I am looking for an expert who understands the speci...

For personal use, I require a physical SIM card tied to a Saudi Arabian phone number. The primary utilisation of this number will be for receiving verification codes. Ideal candidate should be: - Familiar with telecommunication processes in Saudi Arabia - Able to procure a physical Saudi Arabian SIM, potentially with local presence - Experienced in secure handling and dispatch of physical SIM cards The successful execution of this project would mean tangible delivery of the requested SIM.

I'm in need of a professional to increment our current WordPress contact form. The work entails: - Incorporating new fields. Specifically, we want to introduce text input and checkbox fields. The text input fields should be designed to capture the following information: - Name - Email - Phone Number The ideal freelancer for this job would have a firm background in web development and a strong understanding of WordPress functionalities. Also, a good knowledge of user interface design would be beneficial, as we aim for an intuitive and user-friendly form layout.

Hello, We will need an application to help doctors and patients with clinical trials. 3 roles, login/register some pages, simple GUI. Analytical details in chat. Deadline: 2 weeks from hiring Budget: $130 USD

As the client, I'm looking for a profi...a proficient and dedicated freelancer to develop a Java open MPI program directed towards data distribution. This program should be designed primarily for Windows OS. Key Features: 1. Data Distribution: The application's main function should focus on data distribution. 2. Compatibility: It must be compatible only with Windows OS. Skills and Experience: - Strong competency in Java Open MPI programming. - Background in designing programs for data distribution. - Proven experience with Windows OS centered coding. The project timeline is urgent as I'm keen to have this application working ASAP. Your proposal would be much appreciated, especially if you have a strong grasp of Java, MPI frameworks, and...

We are looking for a developer for a LONG TERM cooperation for a developer to participate in the product development PLEASE EXPLAIN IN YOUR ANSWER WHY YOU WOULD LIKE THIS OPPORTUNITY AND WHY YOU ARE A GOOD CANDIDATE FOR IT We would like to have excellent skills in - Angular (version 11+) - Java springboot - Ionic Mobile Apps - MySQL - Kafka Other good to have skillls - Understanding of e-commerce catalog & order data model - Payment provider integration - Bluetooth & POS printer connectivity - Java FX for desktop application - nice to have No agencies, please! Ideally, we would like a developer that would be able to dedicate 20 - 40 h per week, so it is ok to have another job too but 8h/day can be considered Must have - Excellent English / communication skills - ...

...class G) from the manufacturer's facility in Iran. * CIF Price to Shuwaikh Port, Kuwait: Request the price inclusive of freight, insurance, and delivery to Shuwaikh Port in Kuwait. * Contact Person: [Provide the name of the contact person, in the manufacturer company]. * Contact Email: [Provide the email address for contacting in the manufacturer company]. * Contact Phone Number: [Provide the phone number for contacting the in the manufacturer company]. * * Manufacturer Information: * Manufacturer Name: [Omran Anarak Cement Co. in Iran]. * website: * Deadline: Obtain the quotation within [1 month]. * Additional Information: * Clearly state that the quotation is required for oil industry cement class G. * Request detailed bre...

As a pr...collaborate with experienced web developers to bring a website idea to life. The primary purpose of the website hasn't been finalized yet hence, it could either be for ecommerce purposes, information-sharing or as a portfolio. I am flexible in the technologies being used, so whether you're proficient in Java, PHP or Python, feel free to express your preference. As for your applications, please focus on highlighting your experience. Ideal Skills: - Proficiency in any Web development languages (Java, PHP, Python) - Strong experience in website development Please place your bid if you match the criteria and are able to bring innovative ideas to the table. A successful partnership on this project could lead to further opportunities down the line. Looking f...

I urgently require a HubSpot expert to integrate our existing marketing automation with the HubSpot CRM. Task: mapping the contact out from pipedrive Mapping the leads set email sequence and copy all our email templates from pipedrive integrate with 3cx phone system finish migrating from pipedrive I am only availble on Saturday after 10:30 am Sydney time

I am in need of Native Fluent English Speakers from the United States...a compelling promotional script. Project Details: - The main task involves recording promotional scripts for customer support. This would be a wonderful opportunity for those with a flair for marketing and communication. - You will not have to write the scripts. They will be provided for you, all you need to bring is your voice and a keen sense of interpretation. - The project does not involve phone, live chat, or email support. Your main responsibility would be voice recording. If you're a confident speaker of English and enjoy the idea of voicing promotional scripts, this project could be a great fit! I look forward to hearing your auditions and working together to create high-quality promotional script...

...finance. Job Description: We are seeking native English speakers from the US, UK, and Australia to join our team as Call Center Data Collection Agents. As a Call Center Data Collection Agent, you will be responsible for engaging in natural conversations over the phone on a wide range of topics to help us collect diverse call centre data. You will play a crucial role in gathering audio recordings that will be used for sentiment analysis and behaviour identification purposes. Responsibilities: -Engage in natural conversations over the phone on various topics as instructed. -Collect audio recordings from call center interactions following specific guidelines and requirements. -Ensure high-quality audio recordings with clear speech and minimal background noise. -Adhere to p...

We are looking for a talented ad copywriter who can create a compelling ad to be placed in newspapers in Florida, USA. The purpose of the ad is to get at least 60 parents to sign up for our live programs to be conducted in June, 2024. The target audience is parents of children aged 6-12. Our program details can be found on: We have trained hundreds of US children online and have excellent testimonials. We can send an info pack to interested clients. Your ad should have a strong Call to Action that will drive parents to complete the Enquiry form on our website. You can find ideas for the content by searching the net with the key words: MIDBRAIN ACTIVATION that will bring up companies that promote similar programs: 1) Seeing without

...with experience in IOT integration and data visualization to create a proof of concept app with 6-8 screens. The app should have features such as user registration, login capabilities, and data visualization. It would also need to connect seamlessly with an IOT device. Crucial Features: - User Registration and Login: The app should be able to collect users' basic details such as name, email and phone number. - IOT device Integration: The ability to integrate with an IOT device is a key feature. - Data Visualization: Users should be able to visualize their data within the app for clear insight. This project is a concise task and an excellent opportunity for a developer with right experience in developing user-focused apps with IOT integration. Basic understanding of deve...

I'm seeking an experienced and confident individual who can expand my client base and generate leads among small businesses. Key Responsibilities: - The bulk of this role involves reaching out to potential clients through email, phone calls, and social media messages. A persuasive, friendly and professional demeanor is key. - Excellent communication skills are a must. You should be comfortable initiating contact and discussing our services with potential clients. - The main goal of these efforts is to generate leads, so prior experience in this area is highly valued. Ideal Skills: - Lead generation - Excellent verbal and written communication - Familiarity with the real estate industry - Experience with social media platforms Please only apply if you can demonstrate these...

NOTE: Please don't bid until you read the complete/all details, available in the attached document. Project: Need key contacts (main lead/persons’) contact data that are engaged in IP-Enforcement, Anti-Counterfeit, Counterfeit and Brand protection activities within leg...and initiatives among professionals within the specified countries and sectors. List of Countries: 1. United Arab Emirates (UAE) 2. Saudi Arabia 3. Turkey 4. Singapore 5. Hong Kong 6. Thailand Data Required: • Company's Name • Company’s website • First Name (of the key person) • Last Name (of the key person) • Job Titles / Role in the company • Email Address (official and private) • Mobile/Phone Number • LinkedIn Profile (most important) For Budge...

=I am in urgent need of a skilled programmer to enhance my existing Python application. The primary objective of this extension is to incorporate functionalities that enable users to input, save, and load vehicle data efficiently. This upgrade necessitates the addition of two critical buttons: a 'Save' button and a 'Load' button. Key Requirements: - Implement features to allow the saving of user-entered data in a JSON file format. - Develop a mechanism for pre-loading vehicle data, enabling users to load existing datasets for further analysis or modification. - Supply two distinct datasets: one representing an understeering vehicle and the other an oversteering vehicle. -If you still have time : Ensure that the descriptions of the input fields are left-aligned for enh...

...love to get around 10 cards completed every 7 days (can take slightly longer if the results are good and communication is clear). Many images will need to be on one card. Additional requirements (please confirm you've read these by writing "Tarot" in your bid): 1) You need to have a good English to communicate on the phone. 2) I will require at list 4-5 revisions to ensure the cards are just right, it usually can't be completed in the first try. 3) We will schedule phone calls daily (expecting 1-2 hours at least) to work on the cards. You will be sent a Zoom link so that we can set up the cards together, on Zoom, while your computer is open and running. This will allow you to understand exactly where the images will be placed in a more expedient m...

...finance. Job Description: We are seeking native English speakers from the US, UK, and Australia to join our team as Call Center Data Collection Agents. As a Call Center Data Collection Agent, you will be responsible for engaging in natural conversations over the phone on a wide range of topics to help us collect diverse call centre data. You will play a crucial role in gathering audio recordings that will be used for sentiment analysis and behaviour identification purposes. Responsibilities: -Engage in natural conversations over the phone on various topics as instructed. -Collect audio recordings from call center interactions following specific guidelines and requirements. -Ensure high-quality audio recordings with clear speech and minimal background noise. -Adhere to p...

...of e-commerce, as the app might need to interface with online counterparts • Strong knowledge in user interface and experience, aiming for an intuitive and user-friendly application • The primary development environment will be Android Studio, supplemented by Node.js for backend functionality and HTML/CSS for frontend design. MySQL will be employed for database management. Programming Languages: Java will be the main language for the Android application, with JavaScript for backend scripting and HTML/CSS for web components. Version Control System: Git will be utilized for version control, facilitating effective codebase management. Key Features Implementation: Focus will be placed on developing the app's core functionalities, including a database for recyclable ma...

I'm seeking a computer science engineer (CSE) with significant experience to assist mtech and phd students with their projects. This unique, challenging role would ideally suit someone who is not only adept in Java, Python, and C++ but also has a proven record in practical implementation. Key Tasks: • Assist students in diverse implementation tasks • Provide guidance on utilising Java, Python, and C++ Skills and Experience: • Proficiency in Java, Python, and C++ • Previous experience in Machine Learning, Data Management, and Software Engineering is essential • Excellent communication and presentation skills • Ability to work under strict timelines and deliver quality results A professional with experience in academic environments w...

As someone who has noticed some unusual activities on my phone, email, and LinkedIn lately, I urgently need someone with excellent cybersecurity skills to conduct a comprehensive check. I suspect my devices and account could potentially have been hacked and require immediate attention. The scope of the project includes: - Checking my Phone; - Reviewing my Email; - Assessing my LinkedIn. Skills and Experience Required: - Extensive knowledge of cybersecurity measures; - Proven experience in dealing with potential security breaches; - Quick problem identification and solution skills; - Confidentiality assurance is a must. The timeline of my project is as soon as possible. I seek a solution that will ensure the security and privacy of my accounts and devices. Your swift ...

...missing phone numbers of these companies through Google. There are 11,450 company name and address combinations with missing phone numbers that you will need to google. Responsibilities include: - Searching company names and addresses on Google - Finding the correct phone numbers - Ensuring the credibility of the information - Properly recording the data in the provided format Ideal candidate should have: - Excellent Google search skills - An eye for detail to ensure that the phone numbers match with the company names and addresses - Reliability to produce accurate and comprehensive results - Prior experience in data verification would be a bonus By taking on this task, you will be playing a key role in ensuring the accuracy of our company's database....

This project is focused on leveraging Tosca for the purpose of automating software testing. Though the specific aspects of testing and the programming languages in the software being tested weren't specified, a general proficiency in software testing principles and methods, as well as familiarity with a range of testing types (functional, performance, security, etc.) and programming languages (Java, Python, C#, etc.) will be highly beneficial for this project. Key Skills and Experience: - Extensive experience with Tosca - Proficiency in software testing - Familiarity with diverse testing types - Experience with multiple programming languages - Ability to handle underspecified tasks and adapt to potentially changing project scope

I need a focused developer well-versed in Python, Java, and C++ to build a Coding Problem IDE. The successful candidate will be able to construct a platform that should be able to function on CodeTikki.in. Key features of the IDE should include: - Code highlighting: This feature is necessary to make the code more readable and easily understandable. - Syntax checking: To ensure the code is error-free and runs smoothly. Expertise in IDE development, as well as proficiency in Python, Java, and C++, is essential for this project. Familiarity with and commitment to delivering a user-friendly interface is also important.