>Yes, which is why you see frequent flyers perched over their seats groping around behind them before they sit. ;-)
>
>There is another variant preferred by adolescent females: the used chewing gum deposited on the seat upright. Generally it sticks to the victim's back when they lean on it, then it tracks across the victim's back as they move back and forward, generating a delightful cats-cradle appearance.

:)