Q. What is a key difference between private and shared distribution lists in email systems?

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Q. What is a feature of LAN-based email within a single site compared to email between different sites?

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Q. How do structured message systems help manage message overload?

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Q. What makes structured message systems more similar to a typical database record than a normal email message?

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Q. What is the main challenge for senders using structured message systems?

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Q. What is a characteristic of structured message systems based on models of conversation?

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Q. What is the main characteristic of instant messaging (IM) in comparison to email?

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Q. What term is commonly used to refer to emoticons in messaging systems?

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Q. What technical fix allowed mobile phone companies to send messages to mobile phones?

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Q. What is a defining feature of SMS text messages?

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Q. Why did SMS experience significant adoption among teenagers?

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Q. What technology enabled pervasive person-to-person video communication?

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Q. What is the primary purpose of video conferences?

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Q. Why are video conferences considered a part of CSCW despite not exclusively using computers?

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Q. What is one advantage of video conferences over telephone conferences?

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Q. What challenges are associated with video conferences involving a group of participants?

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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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