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Programming Google Glass by Eric Redmond

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Learning to Navigate

All actions in Glass are done by voice command, head motion, or touch pad. When you start up Glass, you’ll see a screen with the time. A handful of Google engineers call this the clock screen, but I’ve come to refer to it as the home card (who can say if it will always contain a clock?), and will for the rest of this book. A card is a single screen visible on the display, as the following figure shows.

images/ok-glass.png

The big plastic piece of Glass is where all of the electronics are housed, as you can see in Figure 1, An overhead view of Glass. The back portion is the battery pack and the middle part in front of your ear is where the computer ...

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