Switch: The Like

The cornerstone of the book is the , which breaks down the natural development of relationships into four measurable components:

, a former FBI behavioral analyst, provides a comprehensive framework for building rapport and influencing others. The report below details the core strategies he developed for profiling threats and recruiting spies, adapted for everyday social and professional success. The Like Switch

The number of times you have contact with the person over a specific period. The cornerstone of the book is the ,