Word of mouth advertising

Extract . . .

“Word of mouth advertising (WOM) is the unpaid spread of a positive marketing message from person to person. It can take place directly using the human voice, or can be transmitted via any communicative means such as through the internet or via text message. WOM is a powerful promotional tool and should be considered as part of almost every business marketing strategy.”

Linkhttp://www.marketing-made-simple.com/articles/word-of-mouth-advertising.htm