Need to move constantly, because they can hover, they can float in one area, somewhat they're allowed to do is, if they can capture a signal, they can collect data being transferred that's encrypted. the reason that's so important, christine, because, us know, a satellite has to keep moving. a satellite can pick up a chunk of data and has to move to pick up more data and comes around. but if you can hover over a particular area and get streams of data, it makes it much easier for the people collecting that data to be able to hit, decrypt that encrypted data. so it's all about cell phone commun...