The document discusses finding great ideas by identifying the "answer-shaped hole." This is the intersection between affordances, or creative possibilities within a subject, and desiderata, which are key objectives that support goals. A great idea uses the inherent possibilities to achieve multiple objectives. The "Aha! Spot" is reached when ideas converge in a way that solves problems. Identifying desires through questions like "Wouldn't it be great if?" helps reveal the shape of compelling solutions. When ideas overlap in a surprising way that sparks an "Aha!" moment, the "Aha! Spot" has been found.