+Word of Mouth (WOM) is the passing of information, often recommendations or opinions, between individuals. It is a powerful form of [Marketing](/wiki/marketing) driven by personal [Influence](/wiki/influence), relying on trust built through direct human connection.
+## See also
+- [Social Proof](/wiki/social_proof)
+- [Virality](/wiki/virality)
+- [Referral](/wiki/referral)
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