FaceTime is one of the most visible features of the iPhone 4, with much of the advertising for the newest iPhone showing off the emotionally-rich video chat capabilities that FaceTime provides. But if your friends are on another network or don't have an iPhone 4, it's impossible to use your phone to video chat with them.
Yahoo! and T-Mobile would like to change that. T-Mo announced earlier in the week that an upcoming Android phone, the HTC Slide, will come with two cameras arrayed much in the same manner as those on the iPhone. The Slide will also provide video chatting with any other phone equipped with two cameras, including the iPhone 4.
Since FaceTime is an Apple-specific feature, how is T-Mobile going to do this? Through
