There are at least 4 million devices.... https://docs.google.com/spreadsheet/ccc?key=0ApB67S7ETz4WdHd2R3J2XzhHYm12bEljdkcySVhpcUE#gid=0 https://docs.google.com

There are at least 4 million devices.... https://docs.google.com/spreadsheet/ccc?key=0ApB67S7ETz4WdHd2R3J2XzhHYm12bEljdkcySVhpcUE#gid=0 https://docs.google.com/spreadsheet/ccc?key=0ApB67S7ETz4WdHd...