Agree with most of the above, but as regards an open platform, don't forget that the iPhone didn't initially have an app store at all. I think it might take a

Agree with most of the above, but as regards an open platform, don't forget that the iPhone didn't initially have an app store at all. I think it might take a while of having people walking around with an initial, closed version for the truly novel and exciting obvious to really become obvious.