Productivity in Future - Microsoft

Yeap, pretty realistic. A lot of projects similar to whats in the video, for example sixthsense - reading interactive newspaper, boarding ticket that updates on the move, drag and drop to and from desktop to mobile devices, or else from physical object to computer devices...

Just once thing I think is missing from the video, which currently is actively under research by many people - Brain Computer Interface (BCI). One of the demo is here.