a form of demoralization by recieving a letter that must be sent to many friends in order to have good luck. people will customarily test this theory, by trying to send it to their friends, then finding out they don't have any.
Friends don't let friends give friends chain letters.
Prices shown in USD.
邮件由 email@example.com 发出。我们决不会发送垃圾邮件。