A method of analyzing multi-market broadcasts of commercial advertisements, has unique identifiers are assigned to a plurality of expected commercial advertisements, information regarding the plurality of expected commercial advertisements and respective unique identifiers is recorded in a computer database, electronic detections of a plurality of actual market-broadcast instances of a commercial advertisement are received, which comprise a plurality of broadcast markets, information regarding the detections is recorded in a computer database, related ones of the plurality of actual market-broadcast instances of the commercial advertisement is recorded in a computer database, which comprising a plurality of broadcast markets, information regarding a plurality of multi-market broadcast orders of commercial advertisements is recorded in a computer database, and related ones of the actual market-broadcast instances of the commercial advertisement are associated with a related multi-market broadcast order for said commercial advertisement in a computer database, where the multi-market broadcast order comprises the plurality of broadcast markets.