Use your own experiences and pain points to identify an opportunity. Be arrogant thinking you can do it better than others.

I knew I wanted to do something at the nexus of what I call global development and technology.

The audience might not be the size of Facebook, but how much time can you spend online and think, 'What did I just learn?

My real big Internet claim to fame is the fact that I was first to jailbreak the iPhone.

By 2007, we were finally living in a culture where people get what networks are and what technology can do to connect people.

I was trying to figure out how to use the skills I had developed in the world of social change.

I think Twitter is great.