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Phone app ensures you do not lose your purse

The scenario is all too familiar. You buy something in a shop; as you fumble in your bag for your card, you take a few things out to find it. You pay, you leave. Only when you get back to your car do you realise your blunder - you left your keys on the shop counter. Just that situation unfolded one too many times for two Dubai students. And while most of us would simply chastise ourselves, and resolve to be more careful next time, they have come up with a neat technological way of preventing it. It uses radio frequency identification (RFID) tags.

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