Even when I was playing, I never thought much about the individual honors. I wanted to go to the Super Bowl.

Remember all of the 'me too' social networks built just to have a social feature Facebook and MySpace didn't have? I built one for political discussion called Essembly. It enabled unique and potentially transformative social interactions, but only 20,000 people ever used it.

People can care about changing the world. But what gets them to act is pressure and social reward.

Whatever you think of Facebook, you cannot fault it for lack of ambition.

For a football coach, there's nothing that matches the pain of a team not playing up to its capabilities.

Love yourself and realize that whatever you attempt to achieve in Life is a direct reflection of you.

Altruism is one of the most fundamentally social impulses, and doing things for others without expecting anything in return is core to what makes us human. This is why, from the day Facebook Platform launched in 2007, Causes has been honored to be one of the most popular applications, with over 140 million users.