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162,029 results
http://www.tedxlausanne.org - Yu-kai Chou is an entrepreneur, speaker, and gamification pioneer. Early in life, he had the ...
415,200 views
11 years ago
Voici les 4 meilleures techniques de gamification qui fonctionnent mieux que toutes les autres. Appliquées, elles peuvent ...
137,486 views
5 years ago
