*Social networks will boost US mobile video ad spending this year.* In-app video advertising on platforms like Instagram and Snapchat was the main driver of growth, with new YouTube and Roku ad inventory helping, too.

Advertiser demand for video impressions has always outstripped supply, but supply has gotten a big boost as consumers started adopting streaming video viewing in larger numbers—especially on CTV devices—and more of those impressions have been made available programmatically.

eMarketer principal analysts at Insider Intelligence Jeremy Goldman and Nicole Perrin discuss how the pandemic changed email, what consumers want from it, and how to build a best-in-class campaign. They then talk about Nielsen's new ID graph, measuring digital video ads, and how out-of-home advertising is doing.

The Coalition for Innovative Media Measurement (CIMM) has been investigating how TV viewership is measured. CIMM CEO and managing director Jane Clarke joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss what the company has learned about using both set-top box and ACR-based measurement, why different attribution providers might show marketers different results, and how close marketers are to speaking the same language about traditional TV and digital video advertising.