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

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

One of the key things in the tech business in particular is that you need to be able to push boundaries.

Technologies will come and go, so you need to be able to both ask and answer the question: What do you do as a company, why do you exist?

A lot of people are joking about the Windows 10 error message that says 'Something Happened'. Well, that's not on me. My original idea was to not have any errors at all, and for the operating system to be called Windows RT ME One.

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

I think playing cricket taught me more about working in teams and leadership that has stayed with me throughout my career.