The KDDI system, is able to detect more complex behaviour by using analytical software - held on a server back at base - to match patterns of common movements.
But Mowrey concedes that Microsoft does have formidable threats on the horizon, including gains by Apple (nasdaq: AAPL - news - people ) in its installed base of Macs, as well as Linux on the server and the apparent flop of the Zune player and platform.