Images speak louder than words. Here are the 80 BEST Guerilla Marketing Examples I’ve Ever Seen. Guerrilla Marketing (Guerilla Marketing) takes consumers by surprise, makes an indelible impression, and pops up where and when people least expect it. This form of marketing is desired because it often has a high ROI. Guerrilla marketers are able to make a lasting impression without spending a lot of their marketing budget. By being a little cleverer and more unpredictable, you challenge consumers who desire some fun in their products.