Influence by Robert B. Cialdini You'll learn about the several "weapons of influence" many people have used and still use on you (and you use on people) someti

Influence by Robert B. Cialdini You'll learn about the several "weapons of influence" many people have used and still use on you (and you use on people) sometimes without even knowing. It also gives you great insight into sales. I highly recommend it for a technical person.