From the time I was 7, when I purchased my first calculator, I was fascinated by the idea of a machine that could compute things.

If you're happy, that's probably the most important thing. Everyone probably has their own definition of success, for me it's happiness. Do I enjoy what I'm doing? Do I enjoy the people I'm with? Do I enjoy my life?

You can't be afraid to fail because that's when you learn.

Wearable devices are here to stay, and they'll only get more sophisticated and effective as they evolve. Until now, most of us have made our health and fitness decisions based on what we think we know about ourselves. Advancements in technology - wearables and otherwise - will eventually take much of the guess work out of healthy living.

One of the things was to create a kind of amnesty environment.

I'm pretty active anyway, but I'm also competitive.I used my Fitbit as an example of the innate power of data to turn information into insights and actions.

Twenty years and $40 billion. They seem like good round numbers.