Question


People who referred 10 friends to the Procter & Gamble website for Physique shampoo (www.physique.com) received a free, travel-size styling spray and were entered in a sweepstakes to win a year's supply of the shampoo. The promotion generated 2 million referrals and made Physique the most successful new shampoo ever launched in the United States. To accomplish this, P&G used __________.
a. opt-out marketing
b. customerization
c. viral marketing
d. niche marketing
e. buzz marketing

Answer

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