Inside WPP’s $150 million InfoSum purchase

Editor’s Note: This piece was updated and then re-edited to reflect GroupM’s characterization of WPP’s relationship to the market.

WPP’s acquisition of data clean room InfoSum has raised eyebrows both inside and outside the industry, not just because of what it signals about the holding company’s ambitions but also because of what it reveals about its anxieties.

Let’s start with the upside. 

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