From iota.com

At iota, we’re developing a platform to empower the future of bio electronic medicine. Our technology will transform how the world monitors and treats disease. iota holds exclusive license to millimeter-sized, ultrasonic-powered bio electronic devices developed at UC Berkeley. Also known as “neural dust” because of their small size and ability to interface directly with the central nervous system, these battery-free implantable devices are intended to empower doctors to safely get closer than ever to the internal causes of disease.

– See more at: http://www.iota.com/