Viral marketing is an Internet-enabled promotional strategy that encourages individuals to forward marketer-initiated messages to others via e-mail. There are three approaches to viral marketing: (1) __________, (2) marketers make the website content so compelling that viewers want to share it with others and (3) marketers can offer incentives for referrals.
a) marketers embed a message in the product or service
b) marketers can use customerization
c) marketers can use choiceboards
d) marketers can use niche marketing
e) marketers can use permission marketing
Answer: a