Think like a scientist, laser-focus on early adopters, and gather customer insights early are among the 5 key hacks discussed for breakthrough innovation. The document also provides 3 smart shortcuts - the MVP Canvas, speed interviews, and habit stories - to help clarify strategy, gather early user feedback, and design the product core loop based on existing user habits. A case study of the mobile game Covet Fashion demonstrates how these hacks and shortcuts were applied to successfully validate and launch the product idea.