My posting last week Now I've heard it all triggered some great replies describing equally ludicrous attempts by naive users to master the machine: From Christy Tucker: My husband works for the help desk for a certain library software, so he mostly talks to school librarians and media specialists. He had a call a while back from a woman who complained that the battery was running low on her hand-held scanner. He explained that the scanner had to be plugged into an outlet to charge; it...