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It is a Online Document Share like Slideshare or scribd.+ TeacherpayTeacher + Quora
First it is a online document share site like Slideshare but contains 2 part. 1
one part it is same as slideshare or scribd or similar site.allow user to upload many types document and allow guest to view it online
one part it like teacherpayteacher. allow user to upload document and selling it
Second it is sns like facebook or quora. allow user to ask or answer question. then the question@answer module integrate with document share or selling mould. it contains two part
one part: it is same as quora or similar site,have a indepent area to allow user to ask or anwer question base on document or based on default catagory set in Administrator backend
one part: it will be create a question &answer area on each share document or selling document page.
Third it some thing like C2C store like udemy(but only sell the document except video lesson), it contains two key point
one point: it have several user group like
basic user group:allow view or comments ask or answer share message to other social site
premium user group: allow to upload document except the basic user group right
gold user group:allow to upload and selling document except the premium group right
note:share document means can upload the document, then the document can be view online in public, but the document can't be selling.
selling document means can upload document, then decide the price, must to be purchase to be downlaod
Fourth it must be a china style site:
all API interface like SNS will be some site's api of china, like QQ,weibo.com,wechat. not the facebook,linkdin or twitter.
online payment gate way will be alipay not paypal(alipai is top 1 online payment gateway in china.
Fifth it must be Module or Plugin/Wedget/API style, make it configurable and customize-able.