You renew yourself every day. Sometimes you're successful, sometimes your not, but it's the average that counts.

Finally, I truly believe that each of us must find meaning in our work. The best work happens when you know that it's not just work, but something that will improve other people's lives.

This notion of universal Windows apps is a very powerful concept because we're now aggregating the 300-plus-million-socket run rate of Windows into one opportunity for our developers.

Like anyone else, a lot of what I do and how I think has been shaped by my family and my overall life experience. Many who know me say I am also defined by my curiosity and thirst for learning. I buy more books than I can finish. I sign up for more online courses than I can complete. I fundamentally believe that if you are not learning new things, you stop doing great and useful things. So family, curiosity and hunger for knowledge all define me.

Our ambitions are bold and so must be our desire to change and evolve our culture.

I marvel every day at how people can excel - and that’s what really gets me going.

The way I measure my life is 'Am I better than I was last year?'