The "Lie Three Times" Rule

“If you are trying to sell a product, a service or even a personality (such as running for office), you will experience the most success if your marketing strategy includes three positive claims — no more and no less, according to new research published in the Journal of Marketing. The findings show that giving three positive claims about your product creates a more positive impression than just two; but a fourth claim makes it look like you’re trying too hard — inviting consumer skepticism.”