Pair works, task activities, group works.

同桌互动，任务型活动，小组活动等。

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Once set up, however, and it works like an absolute dream -- just pair your device to its ad-hoc WiFi network (which kicks in once you've taken your first picture) and images are pushed over in a staggeringly short amount of time.

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Poole, who mostly works in business class, says she buys a new pair every three months.

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Nintendo's 3DS also has a pair of cameras for capturing scenes in 3-D, and it works quite well.

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