Brands are auditing their agencies to verify how their businesses operate, but some agencies have pushed back against audits. Ali Plonchak, managing director of digital strategy and integration at ad agency Crossmedia, said that agencies should embrace audits because they facilitate transparency, which brand clients demand more of.

In the latest episode of "Behind the Numbers," we're talking about consumer trust in brands and digging into data from a survey by data platform Jebbit. We're joined in the studio by Jebbit co-founder Jonathan Lacoste to discuss which brands have succeeded in winning customer trust, which have failed, and why.

In the annual Digital Trends report, eMarketer predicts what will matter to marketers in 2019, in areas ranging from voice technology to digital video to the “ad tech tax.” It also notes some buzzed-about topics that won’t achieve trend status next year.

Matt Prohaska, CEO and principal of Prohaska Consulting, discusses why ad buyers continue to shift away from open markets despite much-awaited improvements to transparency.

Not only do consumers want businesses to be open and honest in their social posts, they actually hold businesses to a higher standard than they hold for themselves.

Bennett Hong, CTO of adtech company Jingshuo, discusses what's keeping advertisers in China from adopting blockchain technology.

This report analyzes our most recent forecasts for total media, traditional, digital and mobile ad spending in Europe.

Nearly $47 billion in US digital ad spending will transact programmatically in 2018. By 2020, programmatic will account for 86.2% of digital display ad dollars. What’s driving spend? Read on for eMarketer’s latest US programmatic forecast.