Fan email fire with social forwarding!

Real successful case of applying viral email marketing -

Papa John's Pizza -Pass the Pie

Research shows that consumers are more inclined to open an email from a friend than from a company. Believe that? It’s real. Papa John’s who added 45,000 fans on Facebook just in three days after their viral marketing email campaign. Papa John’s send the email to subscribers, enable them to share special offer to friends and chance to win Pizza for a year. It is a great deal to pass along to through email and social network (Facebook, Twitter)

Through email and social network, what things motivate receivers to pass along the mail and information?
Here are three factors:
1: Incentives

2: Valuable to themselves
3: Trust (friends/peers effect)

You’ve got Mail!
Papa John’s Pizza encourages customer to opt-in email and SMS to receive information and offers. The most commonly used online service in most countries is email. Papa John’s Pizza succeeds by applying e-marketing for business.