Ex-ISBA director Bob Wootton: Restoring client-agency trust requires new media auditing standards

The US Association of National Advertisers’ (ANA) seminal investigation into media agency practices has made tough criticisms of the way they make their money from media owner rebates. But this has also resurfaced claims from Sir Martin Sorrell, chief executive of agency group WPP, that media auditors and consultants have conflicted interests too. To understand whether these claims have substance, we have to look at the history of media auditing.
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