Smart bracelet protects aid workers

A hi-tech bracelet could soon be helping civil rights and aid workers at risk of being kidnapped or killed.

When triggered, the personal alarm uses phone and sat-nav technology to warn that its wearer is in danger.

Warnings are sent in the form of messages to Facebook and Twitter to rally support and ensure people do not disappear without trace.

The first bracelets are being given out this week and funding is being sought to make many more.

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Source: BBC