You can, for example, say "find me the closest pizza" and it will bring up a card showing a result, which you can tap on to call or get navigation directions.

ENGADGET: Google Glass review (Explorer Edition)

To replicate the bug, you'll need to tap the "Emergency Call" button on the lock screen, then go into the ICE (emergency contacts) menu.

ENGADGET

Just tap your forehead to turn it on and touch your ears to start a call.

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