I cannot stress enough that the answer to life's questions is often in people's faces. Try putting your iPhones down once in a while and look in people's faces. People's faces will tell you amazing things. Like if they are angry or nauseous or asleep.

We want to reinvent the phone. What's the killer app? The killer app is making calls! It's amazing how hard it is to make calls on most phones. We want to let you use contacts like never before - sync your iPhone with your PC or mac.

The biggest opportunity in 2013 is in Africa. It has seven out of the ten fastest-growing economies in the world. In Nigeria alone there are 100 million people with mobile phones. In total 300 million Africans - five times the population of Britain - are in the middle class.

IQ is a commodity data is a commodity. I'm far more interested in watching people interact at a restaurant with their smartphone. We can all read 'Tech Crunch ' 'Ad Age.' I would rather be living in the trenches. I would rather be going to Whole Foods in Columbus Circle to watch people shop with their smartphones.