Meaning of the word "word of mouth marketing" in English

What does "word of mouth marketing" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

word of mouth marketing

US /wɜrd əv maʊθ ˈmɑrkɪtɪŋ/
UK /wɜːd əv maʊθ ˈmɑːkɪtɪŋ/

Noun

a marketing strategy that relies on customers sharing their positive experiences with a product or service with others, often through informal conversations or recommendations

Example:
Our new restaurant grew quickly thanks to strong word of mouth marketing.
Positive customer reviews are a key component of effective word of mouth marketing.