Paul Graham spills: Why some companies get his cash and others don't
Knowing the business. If we ask a bunch of questions and they have the answers at their fingertips because they understand the domain really well, that's a good sign.An old boss of mine is a design judge for a student engineering competition. Often times he will ask a team for a specific piece of information about their project, only to have the team pull out a giant binder and start shuffling through looking for the answer. At this point he tells them "If I ask you to tell me your girlfriends phone number and you pull out your phone book and start searching for it, you're probably not in love"I think the same sentiment applies here