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. Please don't submit comments complaining that a submission is inappropriate for the site. If you think something is spam or offtopic, flag it by going to its page and clicking on the "flag" link.