Actionable Gamification
作者：Alexandru Chiritescu
1. CD 1: Epic Meaning & Calling
2. CD 2: Development & Accomplishment
3. CD 3: Empowerment of Creativity & Feedback
4. CD 4: Ownership & Possession
5. CD 5: Social Influence & Relatedness
6. CD 6: Scarcity & Impatience
7. CD 7: Unpredictability
8. CD 8: Loss & Avoidance
