The "Cloud" is a metaphor for storing your data and serving your applications from Servers hosted by others e.g., Amazon's EC2, GoogleDocs, Microsoft Azure etc etc.
This doesn't mean your data's actually sitting in a physical cloud that produces rain and snow etc..
If it fully supports DirectX11 as shown, then we don't need any help from the Aliens.
It's definitely the way forwards for discrete all-in-one CPU chips. NVidia have been doing it for years with CUDA add an ALU, a couple more registers(Pref Harvard Architecture ;D), I/O circuits, Signal Proces...
why talk over the presentation??