OPED: Empowering Citizen Cartographers

*As first appeared in The International Herald Tribune on Friday, January 13, 2012   The International Herald Tribune Empowering Citizen Cartographers January 13, 2012 By CAROLINE ANSTEY   From cave drawings to navigational charts to GPS, people have created and used maps to help them define, order and navigate their worlds. Four hundred years ago, in the Age of Exploration, it was cartographers,