These are tools that display a set of data on top of your otherwise naked view of the world around you.

这些工具可以在你的光秃秃视野之上显示一组数据。

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Another enterprising developer showed a preview of an app yesterday that can display the traffic situation around you, depending on where you point your Android phone.

另外一家开发公司昨天推出了一款应用的预览，Android用户只需将手机对准一个方向，它将能显示周围的交通状况。

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Rather than have friends gather around your tiny iPhone display or force a person to awkwardly reach across you and tap on your handset, this concept lets anyone simply cast shadows to control the interface.

ENGADGET: Hands-on with AT&T Labs prototypes: ShadowPuppets and haptic steering wheel

That opens up the possibility of putting virtual objects into the real world, letting you "pick up" a computer-generated 3D architectural model and spin it around in your hand, for instance, or gesture to control a virtual display appearing on an actual wall.

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