Passwords & Underwear

In my job, I am doing more and more [technology] security tasks. I have, for many years now, known that a LOT of people write down their passwords and place them on their desk, under their keyboards, directly to their monitors and various other locations. I can't count the number of times I have had to talk to people about not placing their passwords where people can see them. But now I have a good example to use when explaining why they should not do this! haha