Question


At the De Beers website (www.diamondsareforever.com), users can design their own rings and show them to others. One out of five website visitors e-mails their ring design to friends and relatives who then visit the site. De Beers is using __________ to promote its diamonds.
a. opt-out marketing
b. customerization
c. niche marketing
d. buzz marketing
e. viral marketing

Answer

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