Jobs also announced a new "Smart Cover" to go along with the iPad 2—one with magnetic clasps that either wakes up the iPad or puts it to sleep depending on whether it's being attached or removed.

乔布斯还介绍了一款支持IPad2的智能外壳，可以根据其是否打开来使用磁力扣唤醒或休眠IPad。

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Magnetic clasps offer ease, but a turnkey is more secure in a pickpocket zone.

WSJ: Wanted: Satchel to Carry Everything

Leather binding has subtle magnetic clasps that provide a little stickiness when closed.

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