The Web 2.0 world is defined by new ways of understanding ourselves, of creating value in our culture, of running companies, and of working together.

I think Facebook is an extraordinarily important part of the Internet ecosystem, and having a robust presence there is a critical part of any brand (or company's) strategy.

There will soon be streams of data coming from all manner of products - appliances, clothing, sporting goods, you name it. Wouldn't you rather live in a world where you can export the data from your son's football helmet to a new app that monitors force and impact against a cohort of high school players around the country?

The beauty of the innovation that flows from the open web is that no one has to ask for permission, get a credential, or win a Disrupt or Launch award to go prove their idea is worthy. They just... put up a page on the web, iterate, iterate, iterate... and eventually, a Facebook emerges.

Voting is our right, but it is also our responsibility because if we don't take the next step and elect leaders who are committed to building a better future for our kids, other rights - our rights to clean air, clean water, health, and prosperity - are placed directly in harm's way.

I am lucky, I don't have aches and pains. I do Pilates regularly, which is a series of stretching exercises, and I recommend it to anyone of my age because the temptation is not to exercise when you get older. Well, you should.

Flexibility is crucial to my fitness. Incorporating a good warm-up and cool-down into every session decreases my chances of injury. I use both dynamic and static stretching in my training. I've starting doing a few yoga sessions which incorporates muscle strength and flexibility.

Nobody can quantify for you what's the impact of eating fiber every day, for instance. We can say we think it's good. But some people might say 'Oh, it reduces your risk of colon cancer by 20%, some people might say it reduces your risk by 25%.'