People already love to play casual games. But when you take a casual game and stick it inside a social network, it becomes way more exciting.

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.

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

Many artists stick to making and hire a manager to focus on their business. Artists that build websites and mobile apps can do that, too.

Board meetings should not be for the benefit of the board. They should be for the benefit of the CEO and the senior team.

If you have a native monetization system where the atomic unit of content is the ad unit, that scales down all the way to a small screen experience. That's why Twitter is performing so well on mobile.

The entire world is now a rival to Silicon Valley. No country, state, region, nor city has a lock on innovation in technology anymore.