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birdy1976: @memrise turns #learning into a "recreational sport" (by @stuartdredge on @guardian cc @gmfproductions) #gamification http://t.co/tTRCTAvx
birdy1976: @memrise turns #learning into a „recreational sport“ (by @stuartdredge on @guardian cc @gmfproductions) #gamification http://t.co/tTRCTAvx