An invention has to make sense in the world it finishes in, not in the world it started.

I think that companies always become complacent, over time. Or most companies, that is.

There's not a single business model, and there's not a single type of electronic content. There are really a lot of opportunities and a lot of options and we just have to discover all of them.

No matter your sector, chances are that people are already twittering about your products, your brand, your company or at least your industry.

Just do something that lights you up, and lights up your customers, and lights up the world and scale to that.

When you have to prove the value of your ideas by persuading other people to pay for them, it clears out an awful lot of woolly thinking.

Pursue something so important that even if you fail, the world is better off with you having tried.