NEW YORK–(BUSINESS WIRE)–Annalect, the data and analytics division of Omnicom Group, Inc (NYSE: OMC) today announced an agreement with InfoSum, the privacy-preserving data collaboration technology, expanding Annalect’s global first-party data management capabilities. As a result, marketers can connect their own first-party data to a greater number of data sources and deliver richer, more actionable consumer insights, while protecting consumer privacy and data integrity of each party. Since 20