Such devices are still far off, but at Hewlett-Packard (HP) in Silicon Valley a taste-or more precisely, a feel-of things to come is on offer even now.

这类设备距离我们仍然遥远，不过在硅谷的惠普公司(HP)，人们现在便可体验(更准确地说是感受)一下将要出现的事物。

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We didn't get to spend much time here, but from what we could tell the controller simply allows you to control the on-screen cursor more precisely.

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