Company's dual role as retailer and marketplace is being investigated.
Sale comes four years after WPP and Providence Equity bought agency group for US$473 million.
Getting personal, Pritchard also revealed his belief that he wouldn't be CMO today if his name was Mitch Gonzalez.
Entries fall again despite Cannes Lions launching two new award categories this year.
It has been one year since GDPR came into force and the world didn't end. So what really changed for advertisers and what's next?
Facebook is also introducing more transparency for advertisers on how effectively their creative is being used.
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