Making Sense of the 5 Major Holding Companies' Data Offerings

If recent high-profile acquisitions are any indication, the ad industry is in the midst of a veritable data gold rush, and first-party data assets are the means for staking your claim. In April, Publicis bought Epsilon for $4.4 billion, less than a year after IPG agreed to purchase Acxiom for $2.3 billion. And in 2016,...