Blink dives into the wonders of the subconscious mind - specifically its impact on fast decision making and analysis. Gladwell explores topics like "mind reading" (how body language expresses a persons inner thoughts), predicting longevity and health of relationships, and how the subconscious mind interacts with the conscious. If you are interested in applying psychology to your day to day this is the perfect book for you. Upon finishing it, I've noticed my skill at reading others has greatly improved. Furthermore, I've learned how to optimize my fast decision making.