I’m not making any forecasts about when this is going to happen, but visual overlay will be very cool.
We will still see the world as it is, of course. But we will be able to add layers. Layers can give us information like the ratings of a restaurant we see or night vision or heat vision, or little flying arrows showing the direction and speed of the wind. Layers can also give us controls like interacting with vending machines or unlocking your car, or saving a good bottle of wine.
It will be very cool.
Things have changed since I wrote about this in 2002, but I wasn’t completely wrong: The Etherface
Wikipedia anything you see. Add people you meet to your contact list with context. Users generate content. API lets developers add controls.