He described the process in terms of not only "hard sensors" that track physical attributes such as light, heat, pressure and motion, but also "soft sensors" such as a user's calendar, social network activity and Web browsing habits. "What context awareness does is collect all of that, some of which is up-to-the-minute on the physical sensors and some of which is accumulated incrementally over a long expanse of time through these soft senses, to create devices that really anticipate your needs," he said.
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