Move fast. Speed is one of your main advantages over large competitors.

The main thing I want to emphasize the most about Arkansas is their speed. They are fast. They've got to be the fastest team from top to bottom that we'll face. I don't think they have anybody who can't run. It's a little intimidating to watch them on film and see them run the way they do.

Set a clear, easy-to-understand vision for your company, and make it be a mission people believe in.

The faster you go, the shorter you are.

One of the things we urge Y-Combinator companies to do is to have profitability in grasp. If you need to get profitable before your A round of money, you ought to be able to do that.

If you wanted to build an Internet startup in 2005, you had to buy your own servers and hire someone to manage it. Now, that's unheard of.