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Loyalty Beyond Transactions: Building the Relevance Engine

5/1/2026

Switching has never been easier. One tap, one click, one better offer — and your customer is shopping somewhere else. 

Brands and retailers both feel this pressure and are starting to realize that their own data only tells part of the story, which is why the hunt for first-party data, personalization and relevance has intensified.

But collecting data is just the starting point. The real challenge is turning customer understanding into experiences for which people actually notice, value and want to repeat. As AI agents begin to mediate more commerce decisions, brands without a strong identity infrastructure and clear understanding of real customers risk becoming invisible in those interactions.

Loyalty programs would seem like an obvious answer, but for many organizations the program itself has become the focus — points, tiers, promotions and mechanics. It works, to a degree. Customers engage. Data accumulates. The program runs.

There's a bigger opportunity sitting inside that program, often untapped.

What if loyalty wasn't just a program to manage, but a relevance engine to build? A system that deepens customer understanding over time and feeds that intelligence back into every touchpoint — not just the loyalty program itself, but across paid, owned and earned channels?

From Program to Engine

A loyalty program asks: How do we reward customers for transactions?

A relevance engine asks: How do we use every interaction to understand customers better — and turn that understanding into value they actually feel?

Programs tend to live in one place — a team, a platform, a set of campaigns. Engines connect. They feed insight into meaningful personalization, merchandising decisions, media activation and owned channels alike. It enables a consistent, person-level view of the customer that can be activated across channels and measured over time.

For retailers and direct-to-consumer (DTC) brands — anyone who owns the transaction — this means loyalty isn't just a marketing function. It's infrastructure that makes the whole ecosystem more intelligent.

For brands without direct transaction relationships, the question looks different, but the underlying challenge is the same. Many are wrestling with whether collecting first-party data is even feasible — and if it is, what value exchange would actually earn it. That's a relevance engine question: How do you build compounding customer understanding when you don’t own the point of sale?

The answer might be retail partnerships and data collaborations that expand how brands see their customers. It might be new DTC models. It might be rethinking what "value" means beyond program mechanics, but the strategic imperative is shared: Build systems that turn customer interactions into learning that compounds over time.

And here's what matters most: When loyalty operates as a relevance engine, the value exchange finally works for both sides. Customers get experiences that reflect who they are and what they need. Brands and retailers gain compounding signal that makes every interaction smarter, every outcome measurable against real customer behavior and every dollar work harder — driving more profitable growth over time.

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The Strategic Question

Whether you're a retailer with an established program, a DTC brand building direct relationships, a CPG exploring first-party data strategies or somewhere in between, the question worth asking isn't whether you have a loyalty program.

It’s whether you’re building a system that compounds relevance over time.

The infrastructure that makes this possible — identity that recognizes real people across touchpoints, and AI that makes real-time decisions based on that understanding — already exists. The question is whether your loyalty strategy is built to use it.

Loyalty, when built this way, stops being a program you run and starts being an engine that runs through everything. Customers receive experiences worth showing up for. Brands and retailers gain the signal they need to keep delivering them.

The opportunity is to build what loyalty could be.

Is that on your roadmap?

About the Author
Heather Campain is the vice president of CPG growth strategy at Epsilon. She has a wide range of experience spanning automotive, data & tech and CPG. From cars to candy, and beauty to beverages, she has experience across a wide spectrum of products, categories and functional teams. 

Campain has led category management and insights at Mars Wrigley Confectionery, U.S. shopper marketing/retail media and customer-based e-commerce teams at Johnson & Johnson, and strategy and transformation at PepsiCo. She earned her MBA from Pepperdine University with an emphasis in organizational development and strategy. 

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