>I use to have the bad habit of telling people who called for help, to "plug it in where it fits", about connecting peripherals to the back of a PC, I stopped doing that after I had to go and personally unplug the keyboard from the ethernet card's coax connection. <g>, true story.

Before my very eyes, I saw a guy (civil engineer, btw) insert a second 5.25 floppy into the drive, without pulling out the one that was already in it... and start complaining about the drive being dead.