http://ycombinator.com/newsguidelines.html http://ycombinator.com/newsguidelines.html On-Topic: Anything that good hackers would find interesting. That include

http://ycombinator.com/newsguidelines.html http://ycombinator.com/newsguidelines.html On-Topic: Anything that good hackers would find interesting. That includes more than hacking and startups. If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity.