Whenever I want to feel excited about the future I just look at this video; seriously is really magic stuff. Changing your bathtub temperature with one gesture

Whenever I want to feel excited about the future I just look at this video; seriously is really magic stuff. Changing your bathtub temperature with one gesture of your hand in the water; changing the channel by a simple gesture in the couch, the use-cases are virtually unlimited. Also if one day it becomes even more sensitive it could transform any object into a fingerprint detector!