Having fun with project managers! (or: why you should lock your deskto

Have you ever left your computer unattended? (I do hope that!) Do you lock your desktop when this occurs? (I hope so either!) Not locking your desktop can be a risk. Your data might get stolen, someone might install a trojan, ... My project manager is one of those people who do not lock their computer when away. After having explained that this is a very simple thing he still seems to forget it everytime. Since a few weeks, we are using some more persuasive manners to teach him to press the Windows-key + L whenever he leaves his computer. Some practical jokes...