Gabe Zichermann
Communicating Powerfully in a Time of Distraction
Gabe Zichermann and Joselin Linder
How Leaders Leverage Game Mechanics to Crush the Competition
Gabe Zichermann y Joselin Linder
Inspire la fidelidad de sus clientes mediante recompensas, retos y concursos
Inspire Customer Loyalty Through Rewards, Challenges, and Contests
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