Observed Signal · Jun 27, 2026 · Podcast Episode · Source: Modern Retail · Impact: 2/5 · Sentiment: Neutral
AI and Substack Transform Affiliate Marketing
Modern Retail’s podcast hosts Gabriela Barkho and Melissa Daniels discussed how affiliate marketing is evolving as AI and newsletter platforms change discovery and creator economics. The episode covered authenticity in affiliate partnerships, how LLMs and AI-generated recommendations are reshaping discovery (potentially reducing intermediary touchpoints), and the rising role of newsletter platforms like Substack as high-trust channels for affiliate conversions. The hosts cited data from eMarketer on affiliate growth, a Memphisto/Substack collaboration that sold out a product color, and practical resourcing advice for brands building affiliate programs.
Covers timely industry trends—AI’s impact on affiliate discovery and the rise of newsletters/Substack as affiliate channels—but is commentary/analysis from a podcast rather than a platform policy change or major product release.
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Key Takeaways & Evidence Grounding
- eMarketer estimated affiliate marketing would drive more than $210 billion in U.S. e-commerce sales in 2025 and forecasts that number to exceed $287 billion by 2028.
- Modern Retail Podcast co-hosts Gabriela Barkho and Melissa Daniels fielded listener questions about affiliate best practices, authenticity, and how AI and changing media are affecting the channel.
- Hosts discussed that large language models (LLMs) and AI-generated recommendations pull from organic social voices (Reddit, Instagram, forums) and can collapse the middle of the customer journey, reducing places where affiliates traditionally add value.
- Marketing agency Pltfrm’s svp Delaney Del Mundo said Substack (about 35 million users) could be a growing place for affiliate models due to higher open rates and inherent trust in newsletter creators.
- Footwear brand Memphisto worked with Substack writer Jake Woolf, issued a promo code for a specific shoe color, and the product sold out after the Substack promotion.
Connected Companies & Entities
5 Entities mapped“Some marketers are wondering how to pitch Substackers or other creators on new platforms instead of traditional publishers. Daniels ... said...”
“eMarketer in September said that affiliate marketing would drive more than $210 billion in U.S. e-commerce sales that year....”
“It’s pulling from organic voices on Reddit, on Instagram, across social and on forums, because the agents deem those to be the most authenti...”
“It’s pulling from organic voices on Reddit, on Instagram, across social and on forums, because the agents deem those to be the most authenti...”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Podcast: AI Visibility and Affiliate Marketing Future
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Affiliate Reframes Selling Point in AI Era
Hello Partner's 23 June 2026 newsletter covers how affiliate marketing is repositioning amid AI and LLM disruption. It includes an interview with OpenAttribution Director Alex Springer on treating affiliate as a set of distinct channels that tie influence to measurable outcomes, coverage of Adtraction's acquisition of Affiliate Future and the establishment of a new UK organisation, and analysis of retail media and affiliate convergence. The newsletter highlights industry events (IPX, Partnership Day, Creatorfest) and publisher responses to LLMs, and reports that the Affiliate & Partner Marketing Association (APMA), led by founder Kevin Edwards, is launching a survey into the impact of Marketing Mix Modelling (MMM) on affiliate budgets and channel perception.
Affiliate Marketing: Key to AI and Creator Commerce Growth
The MarTech article argues that 2026 is an inflection point for U.S. marketers and that affiliate marketing should move from a siloed tactic to a core growth strategy. With generative AI models (e.g., ChatGPT, Gemini, Perplexity) increasingly used for product discovery, visibility in AI-powered search depends on high-quality, machine-readable content — where affiliate publishers and user-generated content can outperform brand sites. Creator commerce and social shopping (100M+ shoppers in 2025) are elevating influencer-driven content as a measurable channel; the influencer market was projected at about $33 billion by end-2025. Anticipated U.S. state privacy regulations and ongoing signal loss make affiliate programs attractive for privacy-compliant attribution, consolidated influencer management, and lower upfront investment. The piece recommends brands prioritize partnerships with top publishers and creators and invest in real-time data capabilities to remain visible and measurable across AI and social commerce environments.
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