Can I use my digital camera as a webcam?

My laptop doesnt have a webcam, but I would really like to do skype with my friends. Someone told me that video cameras can be used as webcams. Is this true? And if it is, please explain how to set it up. I have a Nikon Coolpix s3000. Thanks:)

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My Nikon CoolPix 11 movies are saving as.bin files instead of.mov files?

They used to save as.mov files, then switched. Did I screw up a setting? How do I save them onto my computer as.mov s?

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