Anyone know if you can convert your device from one of the three types to another?
I guess I don't really get where the tension is in the three options. Usually, e.g., you get more options but have to pay more. He seems to hint that handset makers and carriers trade autonomy for more polished software, but doesn't really make it clear.
I don't fully understand the difference between tiers 2 and 3, but it looks like the big picture is basically you don't get to put the Google signature apps on your phone unless you enter some kind of agreement with them.