I want one! HummingBoard: Will fit in a Raspberry Pi enclosure, runs Linux or Android, packs a bigger punch. Caution: While the pins are similar to Raspberry Pi, installing Pi hardware takes extra effort (not a direct replacement).
This palm-sized wireless printer produces pictures from a smartphone. The printer stores unobtrusively in a pocket and uses Bluetooth to access pictures on an iPhone (NFC for Android devices) to print 2" x 3" color photos in less than a minute.
Google patents smart contact lens system with a CAMERA built in