Top—"Scan with care". Yes, because if a cop sees you, you're under arrest. Also, if a deer runs out in front of the sleepy truck driver, you could have part of the code permanently imprinted on your dead, coffin face. Bottom—One of the oldest, noblest forms of advertising is bastardized by the newest, stupidest, creating one of the saddest photos ever. "Stop walking, man! I gotta snap that! What is it for? Whaddya mean you don't know?" Both images via WTF QR CODES.