Q. What is the purpose of experimental systems involving video walls in common rooms at different sites?

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Q. What is a challenge associated with camera positioning for video walls?

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Q. How does stereo audio contribute to video communication in such systems?

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Q. What is the "video tunnel" technique used for in video communication?

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Q. What is a limitation of the video tunnel technique for eye contact?

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Q. What is the term used to refer to the representation of a participant in a virtual space?

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Q. How do virtual collaborative environments attempt to mimic real-world interactions?

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Q. What challenge is associated with representing non-3D computer-based artifacts in a virtual environment?

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Q. What term is commonly used to refer to a user's representation or character in a virtual world on the web?

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Q. What are MUDs in the context of virtual collaborative environments?

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Q. In which type of activities is the generation and recording of ideas and decisions the primary focus?

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Q. What is the main reason for recording design decisions in a design rationale?

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Q. What is the term for the problem of ensuring that different designers' work does not interfere with each other when using a collaborative system?

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Q. What is the purpose of highlighting changed nodes in an argumentation tool like gIBIS?

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Q. Which interaction styles are possible in argumentation tools?

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Q. What is the primary focus of meeting rooms equipped with extensive computer equipment?

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Q. What does WYSIWIS stand for in the context of computer-supported meeting systems?

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Q. What is one advantage of electronic whiteboards over traditional physical whiteboards?

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Q. What is the term used to describe the policy that determines which participant can write on an electronic whiteboard at any given moment?

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Q. In the context of meeting rooms, what does "floor" refer to?

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