Canadian Spiced Whisky has been placing ads in urinals that show up when people piss on them. People dig ’em so much that they’ve been known to steal the nets from urinals.

The ads actually appear as black patches on urinal nets until guys start doing their, uh, thing, at which point special heat sensitive ink transforms into zany branded massages like “Man who pee on electric fence receive shocking news” and “Never play leapfrog with a unicorn.” Once the ink cools the text goes back to black. […]

The concept has, in fact, been so successful that guys are actually stealing the nets from the urinals, Phillips reports. “That’s actually a sign of success, if you ask me – The truest indicator of success.”

(link via Plastic)