Although there's no certain and fool-proof way to persuade, people keep looking for the magic manipulator

How we are persuaded is individual and situational, so beware of anyone trying to sell you a surefire way to successfully convince, cajole or persuade. Nevertheless, human beings continue looking for that elusive brainwashing soap that always works. The search will probably continue as long as we are on this planet. Speaking of soap, here's a very entertaining and informative...