This is some good stuff, guys - no doubt! Let's raise the bar a bit by bringing in elements of mass market sales and Public Relations to introduce possibilities you've probably not considered, and rhetorical devices still uninvented. Reading this short primer will do you a world of good in a variety of areas, but if you look at this stuff from a salesman's perspective, I'm sure you'll agree that the potential exists to create a totally unique way of approaching the client - a bolt from the blue that is completely unique, and utterly compelling:

http://www.dailywritingtips.com/50-types-of-propaganda/