It is a strange device from Masayasu Ogata was recently presented at a technical conference in Tokyo. Rings managed application running on your phone and are able to recognize the voice and some finger movements. According to the authors, the invention will soon get used to the integration of robots into human life and to establish contact with them.
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PYGMY Robot Ring Enhances Communication
Featured on http://www.robots-dreams.com Masayasu Ogata's PYGMY robot rings use miniaturized technology to improve communication, expressiveness, and to entertain. Each self contained ring includes an Arduino processor, battery, and Bluetooth module enabling it to interact and express emotion.