"I do think that speed is part of the innovation process. If ideas aren't built on with a sense of urgency, time can pass you by. This isn't just a problem for the government. It's a problem for everyone: The difficulty of making new ideas broadly available. And yet some ideas move quickly. Look at the progression of radio, television, the Internet, the iPod, Facebook. The acceleration in getting to millions of users has gone from 38 years to less than 4. That's something that we've paid a lot of attention to: How do we increase the speed at DARPA?"