Project Soli is developing a new interaction sensor using radar technology. The sensor can track sub-millimeter motions at high speed and accuracy. It fits onto a chip, can be produced at scale and built into small devices and everyday objects. Follow Google ATAP on Twitter for updates on Project Soli: https://twitter.com/GoogleATAP Visit https://groups.google.com/forum/#!forum/soli-announce to sign up for updates.