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Wearable computers are all the rage. There's Google Glass and a number of smart watches. Now, Sony has applied for a patent for a SmartWig.
Apple is seeking a patent for technology to flip a falling phone in midair or use built-in jets to cushion its landing.
Trying to figure out how to split a restaurant bill often puts math skills and friendships to a test. Google has applied for a patent of a system that helps groups calculate and pay for joint expenses.