You’re walking down the street, looking for a good place to eat off-campus. You hold up your cell phone and use it like the viewfinder on a camera, so the screen shows what’s in front of you. But it also shows things you couldn’t see before: Brightly colored markers indicating nearby restaurants and bars.
Turn a corner, and the markers reflect the new scene. Click a marker for a restaurant, and you can see customer reviews and price information. Decide you’d rather be sightseeing? The indicators are easily changed to give information about the buildings you’re passing.
This computer-enhanced view of the world is not just available to cyborgs in science-fiction movies. Increasingly, it can be found on cell phones, for free or on the cheap, through programs that provide “augmented reality.”…Read More