1) The document discusses three keys to interactive learning: game thinking, game elements, and gamification. It describes game thinking as using game techniques to engage people and motivate learning.
2) It outlines two types of gamification: structural which uses elements like points and badges, and content gamification which alters content to be more game-like.
3) The document advocates for incorporating elements like challenge, curiosity, and control to create flow and motivate learners intrinsically and extrinsically. It suggests using concepts like risk and failure productively in learning.