The Navigate Jacket from Wearable Experiments uses GPS navigation and a mapping app on the wearer's smartphone to signal directions. It's part of a new trend of wearable tech that some speculate will be a billion-dollar industry. Rupert Kaldor /Wearable Experiments hide caption

itoggle caption Rupert Kaldor /Wearable Experiments

A drawing from Apple's patent application could give clues to the rumored iWatch device. U.S. Patent and Trademark Office hide caption

itoggle caption U.S. Patent and Trademark Office