Communication, sales, and murder all work on the same basic levels.
1. A crime requires three things: means, motive, and opportunity.
2. An author writes for one (or more) of three purposes: to inform, to entertain, or to persuade.
3. Marketing requires three factors: product, promotion and pricing*.
Messaging, marketing, and personal actions (criminal or not) are simple human behaviors. We all want need to be in the right place with the right message at the right time.