Noun
guerrilla marketing (uncountable)
An advertising strategy that uses unconventional interactions in order to promote a product or service.
Guerrilla marketing aims its message at individuals or, if it must be a group, the smaller the group, the better. Jay Conrad Levinson
Guerrilla marketing requires you to comprehend every facet of marketing, experiment with many of them, winnow out the losers, double up on the winners, and then use the marketing tactics that prove themselves to you in the battleground of real life. Jay Conrad Levinson