Police use Bluetooth phone link to send break-in messages to householders / Public Technology, 21 June 2007
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"West Yorkshire Police’s latest crime prevention campaign is based on mobile phone Bluetooth technology to drive home advice to householders to help stop summertime sneak-in thieves. One in four of all burglaries are as a result of sneak-in thefts where the thief enters the house through insecure doors or windows."