H.A.U.B. sounds menacing enough to be added to our arsenal of heavy weaponry of bathroom advertising. "This innovative medium combines high definition color graphics, hidden by "disappearing ink" delivering an interactive message to a captive audience... A perfect strategy to get your message across." This sheer magic is brought to you by your friend and mine Innovative Solutions Oceania, the creators of the interactive urinal communicator.
-- via AdJab, Decent Marketing
Here's a bonus link to an urinal ad by Mini Cooper.