Here is a link to comments about this story when it was carried in the NYT: http://news.ycombinator.com/item?id=2371548 http://news.ycombinator.com/item?id=237

Here is a link to comments about this story when it was carried in the NYT: http://news.ycombinator.com/item?id=2371548 http://news.ycombinator.com/item?id=2371548 The discussion included that they use it for modeling traffic patterns and areas to help them plan capacity and new towers. I'm sure they use it for other things as well.