Why 'invisible smart glasses' are the perfect wearable

What if smart glasses looked like regular, everyday glasses?

Google Glass was derided in the press as a dorky, clunky, privacy-invading error. (In truth, it was a bold experiment that launched the smart glasses revolution.)

Google Glass proved that conspicuous wearables don't belong on your face. The camera made people nervous. The screen caused a malady I called "Glass eye" (pain from having one eye exposed to bright light in a dark room). Looking at the Google Glass screen created awkward social situations when users looked up and to the right to see the screen. Battery life was terrible.

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