NEW YORK & CINCINNATI--(BUSINESS WIRE)--Nielsen Catalina Solutions (NCS), the experts in purchase-based marketing analytics, and ITN Networks, the leading provider of aggregated national television networks, today announced expansion of their relationship to equip marketers with end-to-end solutions that will drive higher returns from their advertising investments. By mutual agreement between NCS and ITN, Nielsen Catalina Solutions' measurement of ITN's national "unwired" television networks is