You can also find the power button and lock screen key on this squiggly cable, as well as another microphone for noise cancellation and improved voice quality.

这根弯弯曲曲的线缆上还能找到开机键和锁屏键，以及另外一个麦克风，用于噪音消除和提升语音质量。

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Today's fashion for green screen and chroma key is not so far removed from the back projection and studio sets of Hollywood's Golden Age.

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It will know you really meant to hit the "K" key on your screen when you hit the "L" key.

WSJ: The Future of Typing

For example, its Windows 8 Start key provides a quick and easy way to get back to your Start Screen, while the App Switching function key allows you to quickly switch among your open apps.

ENGADGET: Logitech's K810 keyboard pairs with up to three devices, has a button for switching apps in Windows 8