I hope that the idea of separating I/O from computing gains traction in the next few years. Dropbox, Google Docs/Drive, app stores, etc. all prove that there's demand for true cloud computing at the hardware level (unlike the web-based kludges currently offered).

I'm imagining a world where monitors, keyboards, touchscreens, etc. are all just dumb devices with a network connection, interfacing with a nearby server, which acts as a hypervisor platform for nearby peoples' operating systems (which might 'follow' a person from home, to work, to the grocery store). Brushing aside privacy issues, it almost seems feasible - and infinitely preferable to the fragmented mess we have now.