The Keepod is a USB stick that contains a simple operating system and storage. As explained in this BBC article about the Keepod, the goal is to give people in the developing world their own personal and portable computing environment. They simply take their Keepod with all their programs and data on it, and plug it into any available networked computer. For the Keepod’s target base, that’s likely to be an old or recycled PC. When they’re done using it, they unplug the Keepod and the next user takes their place.
No one needs to own expensive hardware, everyone gets their own private environment with all their own information on it. It has a lot in common with my original idea, except that where I was thinking about what a privileged Westerner (me) might need, the Keepod inventors are thinking about the needs of people in the rest of the world.
They had an Indiegogo project which has now finished, but maybe there’ll be other opportunities to support what sounds like an excellent project in future.