I think it is an attempt that was started a few years ago to slay Microsoft. Microsoft still has a lot of power over Google, and given their competition via Bing search engine, Google needed to own the OS... CHromebook is their first attempt to move from browser to OS.
I love the idea of the cloud. It almost feel like it was too late already for us to be using it since the web is not that new. What I want to know is how all programs would work if I don't have access to the internet.