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The residential environment is getting smarter, and home appliances have become connected each other automatically. Accordingly, user interface also has become increasingly complicated. In this paper, we found the main causes of making the users uncomfortable at home by task analysis, and then suggest a new interactive system suitable to the smart home. Ambient Wall interface enables users to monitor what's happening in their house at a glance, and control their surroundings by simple gesture without any physical interface device.

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