How to Optimize for the Best of the Community

We realized that the people around you, your schoolers, the people who you're going to want to look at mostly anyway. And more than a third of people on Facebook have their cell phone up there,. So in designing it, this was a trade-off that we made. We try to be as academic about it as possible and try to think rigorously through the different results that we'll get if we go into different directions.