Unintended consequences get to the heart of why you never really understand an adaptive problem until you have solved it. Problems morph and "solutions" often point to deeper problems. In social life, as in nature, we are walking on a trampoline. Every inroad reconfigures the environment we tread on.

The Power of Positive Deviance: How Unlikely Innovators Solve the World's Toughest Problems (ed. Harvard Business Press, 2010) - ISBN: 9781422110669