UVC - 'Universal Video Class' is a new USB camera standard that assures plug and play compatibiity with not only recent versions of Apple's OS X operating systems, but UVC is also natively supported under Windows Vista as well.
Even users with built-in iSight cameras may enjoy the added flexibility and viewing angles afforded by an external webcam. The vast majority of web-cam enabled applications like iChat AV, Yahoo Messenger, ISPQ Videochat, Skype and others - allow selecting between multiple cameras as your needs dictate.
