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Smart bike lock

Top gadgets at Mobile World Congress

BARCELONA: From headsets that help you lose weight without dieting to a smart meat thermometer, here are five eye-catching devices on display at the Mobile World Congress, wireless industry's biggest conference which got underway Monday in Barcelona: Smart bike lock Tired of bending down to lock your bike? A team of South Korean engineers have developed a small circular device that is installed on the hub of the front wheel and is connected to the owner's smartphone via Bluetooth. When the bike owner stops riding…