Virtual back buttons on Android are annoying artifacts of over infatuation with touch screens.

在对触摸屏的痴迷退热之后，Android上的虚拟回退按钮只不过是个烦人的组件。

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The OBU could even morph into a virtual back-seat driver that does all these things and more, communicating with the driver using a synthetic voice, speech recognition and face-reading cameras.

OBU最终可能演化为一个随时告诉司机如何开车的乘客甚至具有更多功能，通过合成对话系统、语音识别系统和面部识别照相机，与司机进行交流。

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There, Office Tiger employs 675 young Indians providing a virtual back office to some 20 American and European firms: banks, auditors, consultants and lawyers.

ECONOMIST: India aims to become the back office for the world's banks

Amid such chaos, the Onion is a grizzled old prospector, having staked its virtual territory back in 1996.

NEWYORKER: Small Wonders

Players who visit the farm will collect Megamind-branded virtual goods to take back to their own farms.

FORBES: DreamWorks Rents A Plot Of Land In 'FarmVille'