Star Trek: TOS communicators that run on Bluetooth
by Cory Doctorow from on (#1JX6M)
https://www.youtube.com/watch?v=7i2BTBFN5Q4&feature=youtu.be
Thinkgeek's $150 Bluetooth Communicators are based on 3D scans of a prop communicator; pair it with your phone and clip it to your belt: when you get a ring, the psychedelic hypno-disc in the middle will spin prettily, flick it open and start talking. (more")