Attention is the fundamental instrument we use for learning, thinking, communicating, deciding, yet neither parents nor schools spend any time helping young people learn how to manage information streams and control the ways they deploy their attention.

The idea that your spouse or your parents don't know where you are at all times may be part of the past. Is that good or bad? Will that make for better marriages or worse marriages? I don't know.

Advertising in the past has been predicated on a mass market and a captive audience.

People's social networks do not consist only of people they see face to face. In fact, social networks have been extending because of artificial media since the printing press and the telephone.

It was an interesting question as to whether the BBC had a future in the digital world, and what form of market failure could justify the licence fee system.

I think about my own career, and when I graduated from college, the Internet didn't really exist yet. And so not having a specific plan, being able to be opportunistic at the end, is what enabled me to make some of my best decisions, which is to go to places that were growing but that I didn't plan to have happen.

Net neutrality is at the core of what we love about the Internet. Put simply, it allows any individual or business equal access to online services.

Environmentalists should like fracking for its relative cleanliness. But they don't. They have made a bugaboo out of the chemicals in fracking fluids, which supposedly can leach into groundwater sources. I'm convinced they're dead wrong. Ultimately, good technology with a cost advantage will win out over paranoia.