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Cannes Miniseries Podcast: Albertsons Media Collective Unpacks the Mysteries of iROAS

Behind the Numbers: an EMARKETER Podcast · with Liz Roche · July 2, 2026 · 12 min

Summary

This episode dives into Incremental Return on Ad Spend (iROAS), explaining why it's a superior metric to traditional ROAS for ecommerce businesses. It outlines how iROAS helps advertisers understand the true incremental value of their ad campaigns, ensuring they invest in strategies that genuinely drive new sales and customer acquisition. Learn how to implement iROAS frameworks and optimize your media spend for maximum, profitable growth, especially within the context of retail media.

Key takeaways

Themes

paid acquisitionanalytics & attributionretail & omnichannel

Topics covered

incremental roas (iroas)ad campaign performance measurementincrementality testingretail media measurementmedia spend optimizationdata-driven marketing

Episode description

On today’s Cannes Miniseries Podcast, we discuss Incremental ROAS, or iROAS, and unpack the problem it was designed to solve and what advertisers should be doing to evaluate performance. Recorded from the EMARKETER studio at the Cannes Lions International Festival of Creativity, EMARKETER Vice President and Principal Analyst, Sarah Marzano, welcomes Liz Roche, Vice President, Measurement and Media, from Albertsons Media Collective to the discussion. Get more insights like these with our free, industry-leading newsletters covering advertising, marketing, and commerce. Sign up at emarketer.com/newslettersFollow us on Instagram at: https://www.instagram.com/emarketer/For sponsorship opportunities contact us: advertising@emarketer.comFor more information visit: https://www.emarketer.com/advertise/Have questions or just want to say hi? Drop us a line at podcast@emarketer.com For a transcript of this episode click here:https://www.emarketer.com/content/podcast-albertsons-media-collective-unpacks-mysteries-of-iroas© 2026 EMARKETERAlbertsons Media Collective drives performance where it matters most. Tap into premium audiences, transparent measurement and data that proves impact. When you need retail media that delivers real results, partner with the network built for growth. Learn more at albertsonsmediacollective.com

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Frequently asked about this episode

What does this episode say about paid acquisition?
Implement incrementality testing (A/B testing, holdout groups) to accurately measure the true impact of ad campaigns and distinguish between truly incremental sales and those that would have occurred naturally.
What does this episode say about analytics & attribution?
Shift focus from traditional ROAS to iROAS to avoid over-investing in channels that may appear effective but are merely capturing organic sales or sales driven by other touchpoints.
What does this episode say about retail & omnichannel?
Leverage iROAS to optimize media spend and reallocate budgets towards campaigns and channels that demonstrate the highest incremental return, ensuring more profitable growth.
What does this episode say about paid acquisition?
Understand the specific applications of iROAS within retail media networks, such as Albertsons Media Collective, to maximize the effectiveness of platform-specific advertising efforts.
What does this episode say about paid acquisition?
Develop a data-driven approach to advertising by using iROAS as a core metric for decision-making, moving beyond last-click attribution to understand holistic campaign effectiveness.

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