In this article they talked about augment mobile devices with awareness of their environment and situation as context. Context is what surrounds, and in mobile and ubiquitous computing the term is primarily used in reference to the physical world that surrounds the use of a mobile device. Examples for situational context are being in a meeting, driving in a car, and user activities such as sleeping, watching TV, cycling, and so on. context in mobile devices is receiving considerable attention in various fields of research including mobile computing, wearable computing, augmented reality, ubiquitous computing and human-computer interaction. Most research into context-aware mobile devices has considered the use of single but powerful sensors, specifically position sensors and cameras. Position sensors provide access to location as rather specific but particularly useful context. Its usefulness as context also largely depends on pre-captured knowledge about locations. Cameras similarly provide access to potentially rich information that can be derived by means of feature extraction and video analysis. Electronics with awareness to their environment have potential to make a customers life a lot easier because they can react to our everyday routines and physical actions.
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