Here someone shows how a smartphone is able to track a users face real-time:
If this isn’t a fake that’s some kind of pleasing and frightening to me.
The comfort of user interfaces is increasing a lot – e.g. tracking head motions and do some automatic things with that like shut off the display.
But e.g. global corporations are able to log your gestures online during watching films and with that data concluding to your intimate preferences and many more…