The lessons learned can be summarised as:
- you don't need a whole lot of compute power
- you do need good internet access
- the operating system is basically just a launcher for the browser
- you spend most of your time in a browser
ChromeOs apparently uses a debian derived (apparently partly via Canonical/Ubuntu) to provide a fast browser launch - so your browser is the user interface, and as life's about the cloud these days that's all you should need (other than a 3G modem and a decent data contract ...)
The more interesting question is wether we will see ChromeOs bundled on machines to provide an instant-on environment the way Splashtop is on some devices, the instant-on environment providing an alternative to other more heavyweight environments with a marked startup time - the use cases including using the splashtop environment for flight checkins and email checking in snatched moments in a cafe but the heavyweight OS to run a preso ...