Guerrilla advertising is used to look into the effects that advertising has on emotions and what makes one happy. To carry out this experiment, a buggy with a helium balloon was left stranded on a busy shopping centre with two different messages, “If you realise how powerful your thoughts are you would never think negative thoughts” (optimistic) and “I may not lead the most dramatic life but in my brain its War and Peace everyday” (pessimistic). See below people’s reaction to this.
