|Answer added on 5-8-2011: Reddit|
Hint: It is something social & news
Reddit is a social news website owned by Condé Nast Digital, a subsidiary of Advance Magazine Publishers Inc.Users have the option to submit links to content on the Internet or submit "self" posts that contain original, user-submitted text. Other users may then vote the posted links "up" or "down" with the most successful links gaining prominence by reaching the front page.
Reddit users are also referred as redditors.