"Knock the iPhone interface, but the screens pages of tiny colorful icons do seem to encourage people to collect apps like badges and actually use them more."

Is that a good thing? Because I'm really not sure that it is. I used a W7 phone for a few weeks and I actually loved not having to launch half a dozen different apps- I view a person, I see their Facebook updates, their tweets, photos, etc. all in one place. It's awesome.