A clerk in a computer store says to Dilbert, "Laptop computers are outdated. You want our new fingernail models." The laptops on the shelf are on sale for 50 cents. The salesclerk explains, "You glue them permanently to each nail. They sense where each finger is at all times. You don't need a keyboard." The salesman continues, "Of course, some people prefer that their computer not know where their fingers are at all times." The computer says to the clerk, "Dave, about last night . . ."