I will have heard of at least one of the top 5 websites on this page: http://www.reddit.com/r/AskReddit/comments/1w6ixc/what_is_the_best_website_that_nobody_knows_about/

Created by Michael Dickens on 2014-01-26; known on 2014-01-27; judged right by Michael Dickens on 2014-01-26.