One of the biggest trends in advertising this year will be consumer privacy and security concerns, which has forced marketers to get their data houses in order.

About two-thirds of brand marketers surveyed by Sizmek prioritize reducing the number of middlemen they do business with.

eMarketer's chief innovation officer Geoff Ramsey recently spoke with Bill Duggan, group executive vice president of the ANA to discuss Amazon, trust and digital creative.

Programmatic audio is growing, but it is hampered by a lack of scale, disagreement over ad specs and reluctance from ad buying platforms to build audio-specific features.