The digital advertising space has experienced a bumpy year as marketers, brands and agencies struggle to adapt to the increasingly complex world of data-driven advertising and the growing technology stacks needed to navigate it effectively. The current landscape of ad tech, dominated by programmatic solutions and sometimes opaque business practices, has proven itself prone to misfires, mistakes and a lot of outright ad fraud – not to mention growing brand safety concerns. The growing discontent among brands with digital advertising bubbled up to the surface last year at the IAB’s annual Leadership Summit, when Procter & Gamble’s chief brand officer Marc Pritchard took to the stage to deliver a scathing opinion of the industry, topped with an announcement that the…