Word of mouth marketing ,mouth marketing is when a consumer's interest in a company's product or service is reflected in their daily dialogues. Essentially, it is free advertising triggered by customer experience and usually, something that goes beyond what they expected. Word of mouth marketing can be encouraged through different publicity activities set up by companies, or by having opportunities to encourage consumer to consumer and consumer to marketer communications. Also referred to as "word of mouth advertising,marketing includes buzz, viral, blog, emotional, and social media marketing.