Customers are a great way to finance a business for many reasons. First, customer financing is typically non dilutive. They want something from you other than equity in your business. Customers also help you fit your product to the market. And customers will help debug and improve the quality of the product.

If you want to unleash more creativity in your company, you need to allow for a little contamination. It is the sand in the oyster that creates the pearl.

Certainly anything that is news or opinion needs to be free on the Web, because the Web is this very fluid medium that is very much driven by links and the flow of visitors through a discussion via links.

Being an entrepreneur is hard. Having supportive and caring investors helps.

Marketing is for companies who have sucky products.

Foursquare's adoption of a game dynamic when it launched is a particularly clever implementation of a social hook.

When I see people laughing at ideas and companies we have backed, I smile. It means we are going to make a lot of money on that investment.