Tracking giraffes

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What connects the Chinese government, giraffes in Namibia, and tech ? We bring you the strange tale of how one social media message went viral. Also in this edition of Tech Life, Shiona McCallum meets a smart robotic guide dog. And bringing cyber-security to girls in Africa - meet the woman making it happen. (Photo: A giraffe eating leaves from high branches. Credit: Michael B. Brown/Giraffe Conservation Foundation)