What’s the future of the agency model in the programmatic era?

The above is arguably the key question facing the media business since the dawn of automated media buying technologies. With the K2 transparency report from the Association of National Advertisers (ANA) raising the question over whether or not more advertisers will bring media buying in-house, the future has never been more at risk.
With talk of agency trading desks being used a cash cow by their holding groups, plus marketing teams coming under increased pressure from their procurement departme