Exploiting the preview pane feature in Microsoft's Outlook e-mail program (which allows users to see a message in a small window before they open it) BubbleBoy can infect your PC even if you don't open the attachment it is hiding in.
Only rarely can a chief executive jump out a forty-fourth-floor window after a board meeting (The Hudsucker Proxy), or will a boss send a message as dramatic as the horse's head left in a bed in The Godfather.