The people who live in a golden age usually go around complaining how yellow everything looks.
The sensors have many potential practical uses - in Government buildings, train carriages, cargo containers, on a soldier's lapel - and are a thousand times cheaper than current sensors that are used for the same purpose.
I love working with Alicia Keys, because it's not just the ability to do the dance to me; I think it's the ability to interpret it that excites me the most.