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Guerrilla marketing aims its message at individuals or, if it must be a group, the smaller the group, the better.

Jay Conrad Levinson (2007). “Guerrilla Marketing, 4th edition: Easy and Inexpensive Strategies for Making Big Profits from Your SmallBusiness”, p.8, Houghton Mifflin Harcourt
Guerrilla marketing aims its message at individuals or, if it must be a group, the smaller the group, the better.