In the computer case, the reason surveillance is a good idea is so the owner can prevent misuse. Misuse is likely, as any computer with an internet browser may temp a user with a wide variety of possibilities for misuse.<p>In the restroom case, an owner often can safely assume that the user&#x27;s activities will be restricted to a quite limited range of behaviors. However, if I had reason to believe that the user might be performing some illicit activity in the restroom (e.g. arson), I might feel surveillance is warranted.<p>The difference comes down to the disparate levels of suspicion.