People wash hands more often when a recorded voice tells them to

200609211027 The Hand Hygiene Voice Module mounts on a restroom wall, reminding you in a "non threatening, non-intrusive" male or female voice to wash your hands after using the toilet.

It says, "Hand washing reduces the spread of germs. Thank you for washing your hands!"

The manufacturer claims it increases hand washing by 12%. Link (Via Neatorama)