USB tethering—where a cell phone is used as a modem for a computer—is one of the most-requested features for the iPhone, and (half of) it has finally arrived in iPhone OS 3.0. Scott Forstall, Apple’s ...

Tethering: It’s one of the most convenient features your smartphone has, yet carriers insist on restricting it. Tethering most often refers to using your smartphone as a mobile hotspot. In other words ...