Quote:
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What is it that drives consumers to chase after — even spend more to get — freebies? Denny's has seen record crowds when it's given away breakfasts. Ditto for free chicken wings at KFC and free doughnuts at Dunkin' Donuts. "Free is magic," says Barry Schwartz, professor of psychology at Swarthmore College. "If you offer something for free, people will gladly spend money to get it."
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http://www.usatoday.com/money/indust...slurpees_n.htm
Not that we don't know that. Give em a tease and they want more.
Good thing that the tubes can't give away slurpees
.