IIRC, it started as one of the admins at Justin.tv spending a bunch of time arranging food for them, and then deciding that other startups had the same problem

IIRC, it started as one of the admins at Justin.tv spending a bunch of time arranging food for them, and then deciding that other startups had the same problem and spinning out Zero Cater. The YC connection is a great way to get started (incidentally, the YC company I'm currently at (Greplin) has been using them for a few months, and I have no complaints).