Fujitsu's ring lets you write in the air with your fingertip Head-mounted displays are frequently supposed to keep your hands free, but they only sometimes live up to that promise. You can't really dictate a message in a noisy warehouse, can you? If Fujitsu gets its way, you won't have to. It just built a smar... http://www.engadget.com/2015/01/13/f...=rss_truncated |
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