Small cameras attached to a tablet PC can pick up not only what a person is doing on the touch-sensitive screen of the tablet, but what he or she is doing near the tablet.

小相机连接到平板电脑可以拿起不只是什么人对平板触摸屏做，但他或她靠近片做。

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More than that, HP is sending a bigger message to all its shareholders in the aftermath of scandal, two CEO terminations, an aborted decision to sell or spin off its PC business, an exorbitant acquisition, and a tablet business jettisoned only two months after its launch.

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