COLUMBIA, Md.--(BUSINESS WIRE)--Merkle (www.merkleinc.com), a leading technology-enabled, data-driven performance marketing agency, announced a strategic partnership with Rentrak, the leader in precisely measuring movies and TV everywhere. Through the partnership, Merkle and Rentrak will combine Merkle’s world-class understanding of consumer segments with Rentrak’s massive and passive viewership data to create more effective customer advanced analytics and demographics. Rentrak has established