Walmart Connect plans in-store large-screen ad expansion, to announce at Cannes

Full analysis

Step 1 — Frame

The story: Walmart Connect — Walmart's in-house advertising business that sells access to its shoppers — will use Cannes Lions (the ad industry's big June festival) to pitch advertisers on a new product: large digital screens at the ends of store aisles, with the ability to run "is it working" tests by switching screens on in some stores and off in others.

What's actually being decided (for the reader): not Walmart's call — that's made. The live question for ad-tech operators is whether in-store retail screens become a real new media surface worth building toward, and who has to react.

Reversibility: Type 2 for everyone watching. Nobody is locked in yet; this is a pilot with a marketing event attached. Low deliberation cost, but the positioning window (measurement, agency capability) is the thing that closes.

Forcing function: Cannes (this week) opens the conversation; "later this year" rollout sets the real clock. First incrementality reports follow ~90 days after any live deal.

No clarifying questions needed. Proceeding.

Step 2 — The Council

The Market Analyst — The winners and losers sort cleanly. Walmart Connect strengthens its pitch at the upfronts (the annual ad-buying commitment season) because it can show offline sales lift inside its own stores — something online-only rivals can't match. The squeeze lands on Criteo and open-web retail-media aggregators with no physical footprint, and on Target Roundel and Kroger, who have stores but less scale. For a generalist: Walmart is turning its 4,600 buildings into ad space competitors can't copy. Quietly interesting beneficiaries: DoubleVerify, IAS, iSpot, VideoAmp — a brand-new screen type their tools don't yet measure is both a gap and a revenue opening.

The Skeptic — The load-bearing assumption is that shoppers look at these screens instead of tuning them out like gas-pump TV. In-store digital screens have been "the next big thing" since 2012 — Walmart itself ran Smart Network screens for years and quietly killed them. For a generalist: we've seen this movie, and it flopped before. Incrementality tests sound rigorous, but store-level matched-market designs are noisy enough that brands can cherry-pick the wins. And the money funding this is CPG trade budget — the shelf-and-promotion war chest — which is zero-sum against digital. A Cannes announcement is demand generation, not proof the product works.

The Operator — Tuesday-morning reality: this isn't a digital line item, it's a trade-budget conversation, so the buyer inside the brand changes — shopper-marketing teams, not programmatic desks. The first thing that breaks is creative trafficking: who builds and ships store-level creative, and does Walmart's stack handle dynamic dayparting (changing the ad by time of day) across thousands of locations? For a generalist: someone has to decide which ad plays in which aisle at 8am versus 6pm, at scale, without a human per store. Measurement ops should pre-build the geo-holdout reporting now — clients will demand it within 90 days of going live.

The Customer / End User (the advertiser) — Two customers here, and they diverge. The CPG/beauty brand likes this: proof of offline lift is the holy grail they've chased for a decade, and end-of-aisle is the literal last moment before purchase. But they'll resist if Walmart controls both the screen and the scorecard — marking your own homework. For a generalist: the advertiser wants independent proof the ad sold more product, not Walmart's word for it. The shopper — the person in the aisle — isn't asking for this at all. Engagement is the unknown the whole model rests on.

Step 3 — The Tensions

1. Does anyone watch? The Market Analyst treats the footprint as inevitable leverage; the Skeptic says past in-store screen failures (including Walmart's own) are the better base rate. This is the whole ballgame.

2. Who grades the test? The Customer wants independent measurement; Walmart's strategic prize is not needing third parties. Closed-loop is Walmart's moat and the advertiser's trust problem at the same time.

3. Where's the money coming from? The Operator and Skeptic agree trade budget funds this — which means the relevant fight isn't "digital vs. in-store," it's whether shopper-marketing dollars move at all, and that's a slower, stickier budget than ad-tech narratives assume.

Step 4 — Synthesis

This hinges on three beliefs:

1. Shoppers actually engage with end-of-aisle screens (unproven; weak historical base rate).
2. The incrementality test is credible enough that brands trust it — which runs straight into Walmart owning the measurement.
3. Trade budgets are willing to move at scale, not just fund a pilot.

The council leans skeptical on the product, bullish on the positioning. Walmart will get the Cannes headline and a roster of pilot brands regardless of whether the screens work, because trade dollars are cheap to test and the closed-loop story is irresistible to planners. But "expanding a test later this year" is a long way from a proven surface that reshapes budgets.

What to verify before reacting: (1) engagement/lift data from the existing pilot stores — does anyone look? (2) whether Walmart allows independent measurement (DoubleVerify/IAS/iSpot) on the screens, or insists on its own closed loop. That second answer tells measurement vendors whether this is an opportunity or a walled door. For agencies, the real move is building store-level creative ops now — that capability is reusable no matter which RMN wins.

Step 5 — The Prediction

Prediction: At Cannes Lions this week (June 2026), Walmart Connect will announce the end-of-aisle screen expansion as planned, but the announcement will be framed as a pilot/test with named launch brands rather than a scaled, generally-available ad product with published engagement or lift metrics.

Confidence: High — The exec already pre-announced it as a "test" in his own words.

Revisit by 2026-06-30: We're right if the Cannes messaging stays pilot-framed with no published shopper-engagement or sales-lift numbers. We're wrong if Walmart announces a broadly available, priced in-store screen product with disclosed performance data.

Mayward's own quote already hedges — "as sort of a test," "expanding on that test later this year." Cannes rewards announcements, not proof, and Walmart has every reason to lock in anchor advertisers before it has hard engagement data. The harder question — do shoppers watch — won't be answered by a festival keynote.