Robin Kwong

Imagine you are walking through a crowded street in Causeway Bay and something in a store window catches your eyes. You let go of your child's hand for just a moment. A few seconds later, you realize he has disappeared. You panic. Then what should you do?

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Child abductions are rare in Hong Kong but the fear for any parent is ever present. The high-profile kidnapping of a 16 year old girl in Macau last month only heightens the worry.

Now, a number of technology companies have stepped in with products they promise will keep children safe.

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Hong Kong-based ACTAtek makes a system that combines smartcard technology and digital cameras to keep track of which children have shown up for class.

ACTAtek chief executive Thomas Wan Wah-tong said: "They could put one of these terminals at the school entrance so if there are students who haven't checked in by the time school starts, the system will automatically send an SMS to their parents."

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