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"Getting students to revise for tests and exams can be a challenge at the best of times, but when George Burgess, founder of London-based Gojimo wanted to revise for his geography GCSE ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2014/01/30/gojimo-17-year-old-turned-boring-geography-revision-1m-investment-opportunity/>