The Context Watcher is a mobile application that aims is to make automatic recording, storage, and usage of context information easy for the end-user.

The Context Watcher is a mobile application developed in Python, and running on Nokia Series 60 phones. Its aim is to make it easy for an end-user to automatically record, store, and use context information, e.g. for personalization purposes, as input parameter to information services, or to share with family, friends, colleagues or other relations, or just to log them for future use or to perform statistics on your own life.

The context watcher application is able to record information about the user's:

• Location (based GPS and/or GSM cell based)
• Mood (based on user input)
• Activities and meetings (based on reasoning)
• Body data (based on heart and foot sensors)
• Weather (based on a location-inferred remote weather CP)
• Visual data (pictures enhanced with contextual data)

More information and download on http://www.lab.telin.nl/~koolwaaij/showcase/crf/cw.html