We estimate that 1 in 8 digital ad dollars this year will be spent on impressions for ecommerce properties. This week, we discuss our forecast as well as Amazon's rise, which companies are most interesting to watch now, and what we expect as more upper-funnel ads appear in retail media. Tune in to the discussion with eMarketer senior forecasting analyst Eric Haggstrom and principal analysts at Insider Intelligence Andrew Lipsman and Nicole Perrin.

Affiliate, or partner marketing, has become more important to both advertisers looking to drive actions and publishers trying to diversify revenue streams. Adam Ross, CEO at affiliate marketing firm Awin, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss how the market has evolved over the past two years, why practitioners are looking for more standardization, and how advertisers and publishers are working together.

Traditionally, linear TV ad buys have used content as a proxy for audience characteristics. Field Garthwaite, co-founder and CEO at video data firm iris.tv, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss bringing content signals to video advertising, where typically targeting has been based only on audience characteristics or the context of a webpage—which may not match with the content of the video itself.

eMarketer forecasts that retail media and connected TV (CTV) will be among the fastest-growing digital ad channels this year. Jed Dederick, senior vice president of global client and agency development at demand-side platform The Trade Desk, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss what the firm has learned over the course of the pandemic, what buyers want from CTV and retail media, and why resolving the identity crisis is so important.

As advertisers have cut down on how many demand-side platforms (DSPs) they work with, publishers have increased the number of their supply-side platform (SSP) partners. Lauren T. Fisher, executive vice president of business intelligence at research firm Advertiser Perceptions, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss the company's latest wave of SSP research, why identity resolution is important, and what to expect now that cookie deprecation in Chrome has been delayed.

Digital advertisers know that media quality isn't a given with fraud and other nonviewable impressions plaguing the market for years. Tony Marlow, CMO at measurement firm Integral Ad Science, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss the company's latest media quality benchmarks, what the industry's top priorities are for the year, and how viewable video is across devices.

Amazon has been moving its shopping holiday around, and now it's next week. Melissa Burdick, co-founder and president at retail media buying technology firm Pacvue, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss what Amazon gets out of having Prime Day in Q2 and the latest in the retail media war.

The hype around ad blocking may have died down, but plenty of internet users are still taking steps to avoid ads. Marty Krátky-Katz, co-founder and CEO at ad block revenue recovery firm Blockthrough, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss why some internet users block ads, what types of ad experiences are considered the most annoying, and how publishers' approach to monetizing ad blocking users has changed over the years.

For decades, traditional TV advertisers have targeted ad messages at households. Jon Schulz, CMO at programmatic ad firm Viant Technology, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss why even in the digital era it still makes sense to do so, and why advertiser spend will continue to shift into programmatic connected TV and linear TV.

Advertisers have a lot of information to bring together to understand how to gain more market share for their business. Mike Menkes, senior vice president at measurement firm Analytic Partners, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss what might happen if competitors increase spending while you hold your budget steady, how creative can boost video ad effectiveness, and how ads for one product often have a "halo" that extends to other products, as well.

Digital political ad spending broke records in the 2020 election cycle. Grace Briscoe, senior vice president of candidates and causes at programmatic media firm Centro, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss what, when, and where political advertisers bought digital ads last year, how much attention they paid to connected TV (CTV), and why they love digital video ads so much.

It seems like a given sometimes that brands should be collecting all the first-party data they can. Sharon Harris, global CMO at agency Jellyfish, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss why that's the wrong approach, what brands should consider before collecting data from their audiences, and what they should do with it once they have it.

Apple plans to roll out a major update to iOS this spring, requiring an opt-in before apps can track users across channels. "Behind the Numbers" host Marcus Johnson turns the tables on eMarketer principal analyst at Insider Intelligence Nicole Perrin to ask about the latest research on AppTrackingTransparency opt-ins, the China Advertising ID (CAID), and how advertisers are preparing.

Google's Chrome wasn't the first browser to put the kibosh on third-party cookies. Phil Acton, country manager for the UK, Benelux, and France at end-to-end programmatic platform Adform, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss how the company has been testing cookieless targeting with publishers in Europe, where Apple's Safari and Mozilla's Firefox have significant market share, as well as the importance of supply path optimization (SPO).

We estimate that one in four US internet users will use TikTok this year, and adult users will spend almost 32 minutes per day on average with the short-video app. Evan Horowitz, co-founder and CEO of creative agency Movers + Shakers, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss TikTok's ad products, how advertisers are using the app to build brand equity, and the need to tailor social creative to make sense for each platform.

The availability and use of data has revolutionized advertising in recent decades. Shane McAndrew, chief data strategy officer at agency Mindshare, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss the new Data Ethics Compass developed with GroupM and Unilever, what consumers expect from advertisers and their partners, and why experimentation is critical to attributing revenues to marketing touchpoints.

The intermediation of programmatic transactions opened up a number of opportunities for fraud and data leakage in display advertising. Christiana Cacciapuoti, executive director at industry consortium AdLedger, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss the latest tests of the CryptoRTB protocol, how it will help advertisers avoid fraud, and what advertisers need to understand about cryptography in programmatic transactions.

Advertisers' most-used identifier, the third-party cookie, is going away in less than a year. Mark Connon, general manager at identity graph provider Tapad, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss the difference between identity and identifiers, why the digital media ecosystem should be prepared to work with several identifiers going forward, and what will happen when Apple's AppTrackingTransparency framework rolls out.

Advertisers have never been under more pressure to prove ROI. Bob Ivins, chief strategy officer at cross-platform TV measurement firm TVSquared, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to discuss the remaining deficits in linear TV ad measurement, why it's important to standardize metrics and definitions across traditional and digital TV and video, and why advertisers need to pay attention to the right metrics for their campaign objective.

Measuring the effect of their messages is one of marketers' most vital tasks. Anne Hunter, vice president of product marketing at panel-based insights company DISQO, joins eMarketer principal analyst at Insider Intelligence Nicole Perrin to talk about some of marketers' longstanding challenges with measuring ad effectiveness and understanding consumer journeys—and how a consumer-first approach can help.