Curiosity is one of the strongest human incentives
Changing people's habits is very expensive
The only readers we get are people whom our subject interests. No one reads ads for amusement, long or short... Give them enough to take action
This is no lazy mans field
One may gain attention by wearing a fools cap. But he would ruin his selling prospects
Remember the people you address are selfish, as we all are. They care nothing about your interests or profit. They seek service for themselves