Macbook cameras have a green light that turns on whenever the camera is on; I don't believe you can change that behavior without hacking the OS itself. I like this design a lot; there have been times when software (like WebEx) have turned on my camera without me wanting it to happen or being aware of it, and the light let me know to turn it off.
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Date: 2010-02-19 04:20 pm (UTC)The comment below will obviously also work :)