There is no end in sight for the wearables growth market.
http://www.transparencymarketresearch.com/pressrelease/wearable-sensor-market.htm
ShotTracker: A wearable device that collects basketball statistics in real time.
http://shottracker.com/
Curie: Making music out of thin air (fascinating video)
http://me.pcmag.com/news/5229/news/watch-a-r-rahman-making-music-out-of-thin-air-at-c
BitPaintr: An artificial intelligence feedback loop.
http://bitpaintr.com/