Face Card: An Information-sharing Framework on Google Glass
  Wearable devices such as Google Glass can provide an efficient way to get around users information. We present Face Card, a system builds on Google Glass to provide information-sharing service with around people. With a look at Google Glass, users can quickly get information of nearby and coming users. Utilizing Bluetooth Low Energy (BLE) and proper user interface, Face Card demonstrates the potential of being an efficient information sharing system framework. 
Weiren Wang, Miseon Park, Yuanzhe Fan, Thad Starner, Gregory D. Abowd
cs.HC