Why does crime happen? Well, you might say that it's because youths don't have jobs. Or you might say that's because the doors of our buildings are not fortified enough. Given some limited funds to spend, you can either create yet another national employment program or you can equip houses with even better cameras, sensors, and locks.

I'm active on Twitter, and I love my iPad and my Kindle.

If you want to plan a revolution, you never do it in public - the authorities show up and arrest everyone.

Making loans accessible to millions of the previously unbankable customers is a noble goal. Getting them hooked to such loans isn't.

My fear is that many institutions will eventually alter how they treat people who refuse to self-track. There are all sorts of political and moral implications here, and I'm not sure that we have grappled with any of them.

A faithful lifehacker would use technology to avoid dead time and move on to the entertaining, more gratifying activities as soon as possible.

Smart technologies are not just disruptive; they can also preserve the status quo. Revolutionary in theory, they are often reactionary in practice.