If you ride the NYC Subway, you've probably seen their "Courtesy Counts" campaign urging subway etiquette. Unfortunately they forgot a few of the most Crucial (and all too real) Courtesies. So I went ahead and made the ads myself.
BuzzFeed - An Artist Turned Real-Life Subway Horror Stories Into Etiquette Signs
TimeOut - Artist brings true subway horror stories (think sharks on a train) to life with parody MTA posters
Design Taxi - Funny Posters Show The Absurd Things People Do On The NYC Subway
DNAinfo - Fake Campaign Asks Straphangers Not to Use Butt Cheeks to Hold Subway Poles