The transformation of Apple is probably the biggest tech story of the last 15 years.

The great companies get built by their founders

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

There's always more demands than there's time to meet them, so it's constantly a matter of trying to balance them

With lower start-up costs and a vastly expanded market for online services, the result is a global economy that for the first time will be fully digitally wired - the dream of every cyber-visionary of the early 1990s, finally delivered, a full generation later

One of the advantages of moving quickly is if you do something wrong you can change it.

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.