There's these two for HN: http://blog.datadive.net/which-topics-get-the-upvote-on-hacker-news/ http://blog.datadive.net/which-topics-get-the-upvote-on-hack...

There's these two for HN: http://blog.datadive.net/which-topics-get-the-upvote-on-hacker-news/ http://blog.datadive.net/which-topics-get-the-upvote-on-hack... http://insightmine.com/hacking-y-combinator/ http://insightmine.com/hacking-y-combinator/