http://www.bbc.co.uk/news/technology-22038012
https://docs.google.com/file/d/0B1Nb52S97jSXMFBKcFNtbmY4MGM/edit?usp=sharing
New bracelets people can wear, like a watch, can help them in difficult situations.
The bracelet can work like a mobile phone and send a message in an emergency. For example if someone is working to help people in another country and some terrorist group or government group try to kidnap or lock them up to stop them from helping. The bracelet can send a message automatically to facebook, twitter or other social websites to tell people (friends or family or other people) where they are and that they are in danger/trouble.
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