Hacker News Reader

Well, Rotten Tomatoes offers an API, and IMDB offers all their data for download in text files.

Not sure about RT, but IMDB has some fairly strict rules about how their data can be used. http://www.imdb.com/help/show_article?conditions

IANAL but from my reading it sounds like non-commercial use is ok.

I'm also not a lawyer, but I think you'd have a very hard time litigating for user-contributed content that has no creative value and is publicly available for download.

Reply on news.ycombinator.com