Q. What do RFID, accelerometers, and infrared range finders have in common in the context of input for interactive systems?

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Q. When does the invisibility of computing, from the human perspective, begin in the context of ubiquitous computing?

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Q. What is a key consideration for designers of information appliances like personal digital assistants?

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Q. How has the concept of output in ubiquitous computing changed from traditional desktop/laptop displays?

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Q. According to Mark Weiser, what are the three scales of ubicomp technology?

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Q. What is one of the important trends that have emerged as displays proliferate in ubiquitous computing?

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Q. What is a defining feature of ambient displays?

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Q. What was the purpose of the Dangling String, one of the first ambient displays?

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Q. What type of information is typically used as a data source for ambient displays?

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Q. What is the concept of merging computational artifacts with the physical world called?

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Q. How does NaviCam create an augmented reality experience?

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Q. What is the key characteristic of the DigitalDesk?

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Q. What is the concept of tangible user interfaces?

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Q. What is the concept of a "killer app" in the context of ubicomp?

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Q. Which term is used to describe the newer trajectory of ubicomp applications focused on non-work environments?

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Q. What is the key concept behind context-aware computing in ubicomp?

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Q. What is the primary purpose of using computational resources for automated capture and access?

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Q. Who introduced the concept of the "memex" and its benefits in preserving experiences?

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Q. What was one of the earliest areas where automated capture was explored?

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Q. How does automated capture and access relieve humans of certain tasks?

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