Augmented Reality is Tech's Next Big Battleground

[f500link]Apple[/f500link] CEO Tim Cook has long been enamored with augmented reality. Called AR for short, the emerging technology overlays virtual elements on the real world. It's potentially useful for everything from medicine to gaming.

"It's a big idea like the smartphone," Cook told The Independent last February. "I get excited because of the things that can be done that can improve a lot of lives."

Roughly four months later, we finally have an idea of Apple's take on AR tech.