Pretty offtopic, but thought you folks would appreciate this anyway.
There is a fundamentally grassroots phenomenon taking place, amongst communities of people who don't have as much money as a cellphone user would typically have. Sharing cellphones! While this would seem to be simply because they have no other choice, it reminded me of the lifestyle we ourselves strive for. In addition, the blog where I discovered this post is a great one to keep on your radar.. they are fellow revolutionaries to a degree.
Smart Mobs: Jan Chipchase, Nokia Anthropologist, on Shared Phone Use
What other technologies - software and hardware - could we share, and how?