While I'm thinking about it...

Cell phones should act as access points and mesh routers too. There are bazillions more cell phones than PCs and such in the world and they are all talking to networks already. Most cell phones spend most of there time doing nothing. If someone was industrious enough, it seems to me that all those unused processors could be put to good uses. One good use might be to connect them up as a cloud to be used as a giant distributed cluster and metered out at a few pennies per megaflop minute. The accessibility would be phenomenal. Everything from sensors to nodes could connect from just about anywhere. And on and on. Give me some royalties.