… won’t let you embed videos on a website but it’s worth following this link to see world’s best practice in viral outdoor advertising. To promote Sacha Baron Cohen’s Who Is America series, they parodied Trump’s Build That Wall meme by building (overnight) large pop-up walls in front of three Mexican restaurants.
Who cares that they had to pull them down straight away; footage captured and shared, and millions in TV and Internet exposure in the bank. Simple formula: mix current affairs and humour, snapshot it and reap the benefits.