Games are the most social of all things on the web.

Ideas that most people derided as ridiculous have produced the best outcomes. Don't do the obvious thing.

I get everything that satisfies my soul from bringing together objects that are in the world, manipulating them, working with spatial arrangements, and having things presented in the way I want to see them.

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.

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.

The strategy of Tumblr is very elegant.. The atomic unit of user experience is the same as the ads.

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