The build vs buy debate isn’t over.  More than half of companies are either entirely (16%) or partly (38.5%) building their own “customer/marketing data platform”, according to this survey of UK and EU CMOs by Martech Alliance for Treasure Data.  Fewer were stitching together best-of-breed vendor solutions (32.5%) and just 10.5% were relying on a single vendor’s integrated marketing suite.  Perhaps related: just 20% have fully connected customer profiles and 48% say their company fails to meet customer expectations for a unified experience.

Publicis Groupe has purchased CitrusAd, a platform that places ads on ecommerce websites, in physical stores, and in email.  It will be a standalone business within Publicis’ Epsilon group.  If this sounds familiar, you may be remembering that Dentsu bought ecommerce agency LiveArea for its Merkle unit just two weeks ago.

Procrastinators of the world can throw a party whenever they get around to it: Google has once more pushed back complete third-party cookie deprecation.  The new target is “early next year.” Reasons for the delay include concerns expressed by U.K. data regulator Information Commissioner’s Office, an ongoing inquiry by the U.K. Competition and Markets Authority, and widespread discontent in the advertising ecosystem.