Bluejacking means temporarily hijacking another person "s cell phone by sending it an anonymous text message using the Bluetooth wireless networking system."

蓝牙劫持指通过蓝牙无线传输网络给别人的手机发送匿名信息，感觉就好像突然把人家的手机劫持了一样。

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In the biggest trial yet of wireless advertising, confectionery giant Cadbury's will soon kick off a text message competition involving up to 65 million chocolate bars.

BBC: Eat yourself a win