Buzz marketing, also known as ‘word-of-mouth marketing’, ‘guerilla marketing’ or ‘stealth marketing’ is an art of human kind to involve the trendsetters in any community to carry the brand’s message, thus creating an interest in, and a demand for, the brand with no overt advertising.Nirmalya Kumar, professor of marketing, director of center for marketing and co-director of A.V. Birla India at London Business School.When Dietrich Mateschitz formulated the drink “Red Bull” in 1987 for Australian m.