The impact of giving someone a connected smartphone is no different from giving them a real computer. I look at how my kids learn and how different it is from how I learned because the impact of these things is just so huge. Sometimes I think we don't fully internalize what it is to get the power of knowledge in everyone's hand.
We're excited by the success of WhatsApp on top of Android. Amazon brings services like Kindle on top of Android. It's a competitive world and a lot more complex than people realize. When you run a platform on scale, you have to make sure it's truly open. That way, not only do you do well, so do others.