While Chrome is pretty exciting in itself, it is only the tip of the iceberg of things to come.

Chrome is a key piece in the puzzle behind the Google Cloud — a pervasive distributed computing infrastructure that will render the present day PC and OS architecture obsolete. Everything (well, almost everything) will be somewhere in the Internet cloud, with just the browser, some pretty limited CPU capacity, and a broadband connection required in the client end.
With the emergence of the Cloud, Internet is finally coalescing into the dominant design of computing — or, perhaps it is the Cloud that is truly going to be the dominant design with the Internet being a component (albeit a crucial one).
The Cloud is not going to be Google’s exclusive playground (thank goodness), but if there is one firm that is perfectly positioned to dominate the cloud, it is Google.
The G-people dominate web search, have the best knowledge of user behavior on the net, have a huge server infrastructure in place, and have invested heavily into cloud-like computing architectures and platforms.
Google is also just about the only player that can truly bring the Cloud into the mainstream — others are still niche players or have too much to lose to make the leap themselves (Microsoft being the obvious example).