Fulfillment Not Promises.
Crime is often said to be at the forefront of business developments (as in the case of online payment systems) but I wasn't expecting to find marketing insights in Michael Mann's Miami Vice. Amidst the terrific camera work, the laughable love scenes and a surprisingly turgid narrative, he managed to put the following line into the mouth of a major drug dealer.
"I don't pay for a service I pay for results."
Service may be your great differentiator, but results are even more effective.