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Dentsu launched a set of identity solutions for Merkury, its identity resolution platform, on Tuesday. The identity solutions try to create a single customer view for marketers.

The integration is the latest sign that agencies are getting serious about supply-path optimization (SPO) by forging direct relationships with SSPs. It also illustrates the need for SSPs to differentiate themselves from their peers by providing publishers and broadcasters with unique connections to demand sources.

Paula Connard, chief personalization officer at Horizon Media, on why third-party data is disappointing, why testing proposals in the Chrome Privacy Sandbox isn’t a top priority, why the indie agency decided to build rather than buy a data platform and the questions she’s getting from clients as they deal with signal loss.