From a business standpoint... I can understand how T-Mobile would want to try to limit people from using their network as a replacement for the cable of DSL ISP.
However, since Android is open-source, these tethering apps are easily available from reputable Market alternatives. -- "Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them." -- George Orwell, Nineteen Eighty-Four.
