As the pipe gets thicker the client can get thinner. So services like this allow us to move more and more to the server side. If you follow this line of thinking you see a few interesting things become feasible:
* Your computer can become just a screen with a Ethernet cable in the back. The desktop comes from the cloud.
* Dito for your TV/Games console. Instead of buying a PSP or XBox that can all be run in the cloud and just streamed to your display.
A whole bunch of things we do today just get an order of magintude easier - streaming video and audio to and from the house, downloading content, hosting services out of our home, etc, etc