to track entertainment consumption patterns within households in much more detail than is currently possible for instance it may be possible to spot correlations between preferences involving different media accordingly if teenagers who watch show a like band b then a commercial on show a involving band b is likely to be effective usage of such data may require the permission of the home owners and might be paid for by charging less for content turning now to fig2 the device usage monitoring and control system may be integrated into a home network having predefined zones according to range of sensors and or coordinates for example the system is implemented on a personal computer 26 acting as a server of media content via a wireless router 28 and or a lan in a first zone 30 defined as the u201c office u201d the zone may be defined based on gps coordinates 32 or based on sensor range of audio inputs image capture mechanisms transponders or others located in zone 30 an intercom 34 with an audio input video input and card reader may therefore be present in zone 30 and allow users to access the system on the personal computer 26 in some embodiments the personal computer is connected to communications.