I am amazed by this video. It’s a Dutch seduction / suggestion experiment in which people are gently yet unconsciously pushed to use the stairs instead of the elevator. The results are amazing.
There are a lot of books written on the subject of persuasion and my favorite remains How to Win Friends and Influence People by Dale Carnegie.
I use this book as a reference guide quiet often. It has helped me tremendously as an entrepreneur but equally so in my private life.
The video below is a vivid proof that the theories of influence really work.