The answer to both questions is an absolute "yes." In the case of Apple, live video streaming from the iPhone is only a matter of time. (In fact, as the TechCrunch article points out, live video streaming on the iPhone already is here and now for many who are using unauthorized apps to make this happen.)
And, live video from your mobile device will become a routine part of how we communicate to each other ... and in ways that today we can't even imagine.
