Email Generator Marketing Tool Software

Email Generator I need a software designed in PHP5, that Generates Vaild Email Adresses from Online Sources eg, Facebook, Google, Yahoo, etc. HOW IT WORKS? Lets just say, i have a book store and i sell any types of books. My goal is to find Users that have interest in "Books" Or are looking for a specific book. This tool should help me target specific people that have interest in books. HOW? If a user types in google > "Looking for a book" , I should be able to generate this users email address from this Email Generator Tool. If this user typed this keyword in Facebook, I shoud be able to generate this users Facebook email address..etc. There are similar Tools online, So its possible. I will provide you with some links that might be helpful. Please watch this video, it will help you understand >> [login to view URL] This is another link that might help. >> [login to view URL] If you understand and can design me this tool, please bid and PM me asap! Thanks