Drive: The surprising truth about what motivates us
Dan Pink: The puzzle of motivation
Drive: How we Used Daniel Pink’s Work to Create a Happier, More Productive Work Place
http://www.infoq.com/articles/drive-productive-workplace
Daniel H. Pink
https://en.wikipedia.org/wiki/Daniel_H._Pink
How to find work you love
The Power of Motivation: Crash Course Psychology #17