Method and system for tracking network use

A method for journaling information about subscriber use of a media delivery network for delivering programming and a merge processor for analyzing the resulting journaled information, the method comprising the steps of:

• a) collecting information about a plurality of subscribers' use of a media delivery network, the collecting step comprising:
• i) identifying commands of interest from each subscriber;
• ii) forming event records that record at least the commands of interest and a time associated with the command;
• b) transmitting event records to the merge processor;
• c) merging the event records with data describing the programming delivered over the media network in order to form event timelines of which describes the programming selected by a particular subscriber over a discrete time period.

A system for determining the viewing habits of subscribers to a media delivery network for delivering programming, the system comprising:

• a) a collector for collecting event records describing subscribers' selection and use of programming;
• b) means, coupled to the collector, for communicating event records to
• c) a merge processor for processing the event records to form a selected subscriber an event timeline describing the programming delivered to a selected subscriber over a particular time period via the media delivery network;
• d) means for storing demographics information about selected groups of subscribers;
• and
• e) wherein the merge processor forms a plurality of event timelines and correlates the demographics information with the event timelines.