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OZ Virtual was a 3D world viewer created by OZ Interactive that enabled real-time collaboration communications in shared spaces on the Internet with a strong focus on creative content production. The viewer supported the Virtual Reality Modeling Language (VRML 2.0) a standard for creating and experiencing virtual reality worlds on the Internet. It came with an avatar editor that allowed the user to select from a set of pre-defined avatars with body movements and modify their appearance. Users could communicate using voice chat using low bandwidth codecs supplied by .