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.

Someone ought to publish a book about the doomsayers who keep publishing books about the end of publishing.

Jean-Paul Sartre, the existentialist philosopher who celebrated the anguish of decision as a hallmark of responsibility, has no place in Silicon Valley.

Creative experimentation propels our culture forward. That our stories of innovation tend to glorify the breakthroughs and edit out all the experimental mistakes doesn't mean that mistakes play a trivial role. As any artist or scientist knows, without some protected, even sacred space for mistakes, innovation would cease.

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

For much of its existence, design was all about convenience. We wanted to hide technology so that users are not distracted into thinking about the tools they use.

Once Google is selected to run the infrastructure on which we are changing the world, Google will be there for ever. Democratic accountability will not be prevalent. You cannot file a public information request about Google.