Thanks to Ken Berkun for sending this one in. Also sent by Usual John, who ventures to explain the use of “Happy Birthday”: I just realized it’s to measure the 20 seconds to wash one’s hands properly.

Thanks to Ken Berkun for sending this one in. Also sent by Usual John, who ventures to explain the use of “Happy Birthday”: I just realized it’s to measure the 20 seconds to wash one’s hands properly.