This blog is brought to you by Partnerize.
Affiliate Summit West 2026 marked a turning point for our industry. As generative AI and large language models reshape how consumers discover and purchase products, the conversations in Las Vegas centered on one urgent question: How do we capture the full value of partnership marketing when traditional “last-click” attribution only tells part of the story?
The Attribution Gap No One Can Ignore
Partnerize’s mainstage panel brought together brand and publisher leaders from HubSpot (Nancy Harnett, Head of Global Growth Partnerships), Vox Media (Camilla Cho, SVP of eCommerce), and BuzzFeed (Becca Maier, VP of Commerce), along with Partnerize’s CEO Matt Gilbert, to address a critical challenge facing partnership marketing. When AI overviews and LLM-generated recommendations influence purchase decisions, last-click attribution alone no longer captures the complete picture. High-authority publishers provide the citations and source material that drive conversions, yet legacy tracking systems often miss this upstream influence entirely.
What Brands and Publishers Are Saying
From the brand perspective, the message was clear. Marketing leaders are actively reassessing how they measure and reward partner contributions, recognizing that focusing solely on last-click leaves significant value unaccounted for. The partners shaping the "algorithmic shelf" and providing authoritative content deserve compensation that reflects their true impact across the entire customer journey, and top brands like HubSpot are reconsidering how to best support their publishing partners.
Publishers are equally vocal about the need for change. The era of brands benefiting from publisher authority without proper attribution is ending. Leading media companies are considering new frameworks for strategic allocation, prepared to prioritize partnerships with brands that acknowledge and compensate for verified influence over those relying exclusively on outdated tracking models.
What We Heard Across the Conference
Throughout our meeting room sessions, dinner conversations, and panel discussions, several themes dominated:
- Budget reallocation is happening now. Brands are reallocating dollars from traditional silos like search and social to fund high-authority partnerships that drive measurable influence.
- Tracking influence across the full buying journey. Publishers are seeking partnerships with brands that can measure and reward their impact at every stage of the customer journey, not just the final click.
- The moment for affiliate is now. In this machine-mediated economy, brands and partners can’t afford to sit idle. Acting with urgency across insight, economics, and payments is the only way the category survives and leads.
- Verified measurement matters. Both brands and publishers emphasized the need for independently audited data to build trust and justify investment decisions.
Against this backdrop, we unveiled VantagePoint™ for Publishers—our answer to the industry's call for verified, scalable influence measurement that complements traditional attribution.
What’s Next for Affiliate
ASW26 made one thing abundantly clear: the industry recognizes that change is necessary and urgent. The question now is execution. Those who can quantify influence, prove value, and compensate fairly will build the sustainable partnerships that thrive in new AI-mediated landscapes.
