The document discusses guerrilla advertising and viral marketing as unconventional ways to promote Peace One Day. It explains that guerrilla advertising is memorable, interactive, and targets people in unusual places. Viral marketing uses social media to spread information like a "virus." The document proposes using these methods to increase awareness of Peace One Day by creating interactive advertisements in busy areas and spreading images and videos online. Several brainstorming ideas are presented, with the final idea involving bringing elements of Peace One Day like paper clouds and origami into public spaces like airports to creatively engage people of all ages.