If something excites you, go for it.

I have the Sony Reader; I have the Kindle as well. I don't really use either of them, to be honest. I'd rather sit down with a cup of coffee and a newspaper than read all my digital books.

When I started running cross-country and track in high school, literally every race was a failure.

To some extent, being an entrepreneur is a lonely journey.

I was one of those kids who took apart their toys to see how they work, just to see what they were made up of.

As you start building the product, don't assume that you know all the answers. Listen to the community and adapt. We had a lot of our own ideas about how the service would evolve. Coming from PayPal and eBay, we saw YouTube as a powerful way to add video to auctions, but we didn't see anyone using our product that way, so we didn't add features to support it.

I think Facebook, Twitter and YouTube are the cornerstones of any social media strategy.