It’s quite possible that ordinary looking glasses, or perhaps jewelry or clothing or Bluetooth earpieces, could have such technology built into it. Maybe it’ll even be in contact lenses or, if Ray Kurzweil is right, nanobots in our brains and bloodstream will intercept our own sensory data, process and store it, then communicate directly with our own neurons.

That latter idea is pretty far out, but given how much technology has changed in the last few decades, I’d hesitate to rule it out completely. […]