Chapter 5: Realizing a Metadata Framework 143 Figure 5-1. Different sources for context information. Figure 5-2. Context as metadata. information, including location as GPS coordinates or the network cell ID, all detected Bluetooth IDs, the current song playing in the media player, a link to the calendar entry for the day, and battery and network fi eld strengths. The purpose is to capture as much as possible of the situation and associate it with the content object. We call storing the situation capturing the context as metadata for the new content object. To us, any framework managing metadata must also be able to capture and store context.