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    The app that makes sure you never miss your train station
After his brother slept through his tube stop, 16-year-old Dafydd Jones from Tonyrefail invented the ‘Doze’ app -which uses wi-fi to work out where you are on the Underground.
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![]()  - In Short- The very best of Radio Wales - news, sport, entertainment, and your stories - in short. 
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