Let's jump ahead ten years. People trying to fix their cars wont be looking at online repair manuals or books; they will be wearing a device that projects animated 3-D computer graphic onto the equipment under repair, labeling parts and giving step-by-step guidance. Such technology is already being used by the US Marines. Today's window into the AR world can be a smart phone or special video glasses that look like wraparound sunglasses. But in ten years time, cell phones and video glasses will have been replaced by contact lenses etched with tiny LEDs which display text and images at a readable distance in front of the eye. A dea person wearing these inconspicuous lenses will be able to see a transcript of what people are saying as they speak. The question is: while we are all absorbed in our new AR worl the how will we be interacting with each other?