Buzz Marketing or W-O-M

Buzz marketing is a viral marketing technique that attempts to make each encounter with a consumer appear to be a unique, spontaneous personal exchange of information instead of a calculated marketing pitch choreographed by a professional advertiser. Historically, buzz marketing campaigns have been designed to be very theatrical in nature. The advertiser reveals information about the product or service to only a few "knowing" people in the target audience. By purposely seeking out on-on-one conversations with those who heavily influence their peers, buzz marketers create a sophisticated word-of-mouth campaign where consumers are flattered to be included in the elite group of those "in the know" and willingly spread the word to their friends and colleagues.

WOM-Word of Mouth Marketing...

Source: http://searchcrm.techtarget.com