How the "Illusion of Demand" Makes You Buy Things You Don't Need

This capitalizes on the idea that we tend to look to others to inform our own decisions.

If something is scarce or people are lining up to buy it, that means its probably good.

Sure enough, the lottery participants were more likely to offer to buy a mug.

The subtle science of selling - a six-step guide| BBC Future

Photo byJoshua Ganderson.