There are plenty of practical applications for AR, not to mention entertaining ones, and Google's objective is to uncover them all.

Augmented reality's proliferation is slowly picking up pace. But with the way Google had it exhibited at Google I/O, you would have thought it was already as ubiquitous and commonly referred as other technologies we've come to rely on.

It's not there yet, but Google would certainly like it to be. Here are four examples of where the company sees augmented reality in the real world, and where it thinks it application could truly classify it as a utility.
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