The gulf between what the press and many regular people believe Bitcoin is, and what a growing critical mass of technologists believe Bitcoin is, remains enormous.

More and more major businesses and industries are being run on software and delivered as online services - from movies to agriculture to national defense.

An awful lot of successful technology companies ended up being in a slightly different market than they started out in. Microsoft started with programming tools, but came out with an operating system. Oracle started doing contracts for the CIA. AOL started out as an online video gaming network.

In the next 10 years, I expect at least five billion people worldwide to own smartphones, giving every individual with such a phone instant access to the full power of the Internet, every moment of every day.

One of the advantages of moving quickly is if you do something wrong you can change it. What technologies tend to do is they tend to make a lot of mistakes... but then we go back and aggressively attack those mistakes - and fix them. And you usually recover pretty quickly.

Whatever you're selling, storage or networking or security, you're going head to head with the incumbent players.

TV and the press have always functioned according to the same sets of rules and technical standards. But the Internet is based on software. And anybody can write a new piece of software on the Internet that years later a billion people are using.