Observed Signal · May 29, 2026 · Partnership · Source: AdExchanger · Impact: 4/5 · Sentiment: Neutral
Walmart Adds Yahoo DSP; Troops Tracked via Location Data; OpenAI Rolls Out CPA Ads
Walmart Connect is expanding beyond The Trade Desk by adding Yahoo DSP as a second DSP partner, providing access to Walmart first‑party data via a Walmart‑controlled data enablement solution; initial inventory will be available only through VIZIO, with further supply partners planned. Separately, a document made public by Sen. Ron Wyden says the U.S. Department of Defense has received reports that adversaries are using commercially available location data to track deployed military personnel, raising national‑security concerns about data brokers and location datasets. OpenAI has begun offering cost‑per‑action (CPA) ads to select advertisers inside ChatGPT and has rolled out other ad infrastructure (tracking pixel, Ads Manager beta, CPC bidding). The article also notes Knower Tech hired Prebid.org president Mike Racic as managing director and references broader retail‑media supply partnerships under Walmart Connect’s Connect Select offering.
Major platform monetization moves (OpenAI launching CPA ads) and retail‑media integrations (Walmart adding Yahoo DSP) can shift advertising dollars and supply relationships; the DoD report about location‑data tracking raises national‑security and regulatory implications for the ad‑tech and data‑broker industry.
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Key Takeaways & Evidence Grounding
- Walmart Connect added Yahoo DSP as a second DSP partner to its platform.
- The Yahoo DSP integration will provide access to Walmart first‑party data through a Walmart‑controlled data enablement solution; initial inventory will be available only via VIZIO.
- Walmart Connect’s Connect Select curated supply package includes FreeWheel, Index Exchange, Magnite, PubMatic and a direct deal with Paramount.
- A document made public by Sen. Ron Wyden reports that U.S. adversaries have targeted and tracked deployed U.S. military personnel using commercially available location data.
- OpenAI began offering cost‑per‑action (CPA) ads to select advertisers in ChatGPT and has previously launched a tracking pixel, an Ads Manager in beta, and cost‑per‑click bidding.
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Amazon Partners with OpenAI for ChatGPT Ad Sales, Walmart Expands Retail Media
A retail roundup covering major advertising moves by Amazon and Walmart. Amazon announced a partnership with OpenAI to sell ads within ChatGPT through its demand-side platform, with Amazon Ads sales reps assisting brands. Separately, Walmart is expanding its advertising ambitions with new in-store screens and broader retail media offerings. The moves signal the growing importance of AI-powered shopping and retail media networks.
Walmart Teams with OpenAI: Retail Media's New Frontier
Monday's AdExchanger daily roundup covers Walmart's collaboration with OpenAI's ChatGPT for shopping, noting Wall Street's view of it as a big win and the potential friction with Walmart's growing retail media business, which posted 46% ad revenue growth in Q2. The piece also flags ongoing questions about AI-assisted shopping's impact on retail media with industry voices like Andrew Lipsman. The roundup reviews updates from the Media Rating Council (MRC): Snap was denied accreditation for multiple metrics; Meta's accreditation was revoked and Meta opted out of the program; GumGum was also revoked; Walmart Connect retained MRC credentials for first-party click/impression metrics for Sponsored Search. Elsewhere, Bain estimates youth sports streaming tech market at about $12 billion, highlighting Hudl, GoRout, and GameChanger (acquired by Dick's Sporting Goods) and the NCAA's 2021 sponsorship shift. Meta also rolled out new controls for teen access to AI bots and an opt-in feature for image edits and sharing.
Walmart's AI assistant Sparky drives CX gains and sales growth
Walmart U.S. President and CEO David Guggina highlighted at the Goldman Sachs Global Consumer and Retail Conference how AI is reshaping Walmart's operations and customer experience. AI-driven efficiencies have led to faster delivery and cost savings, reinvested into competitive pricing and CX. The retailer's homegrown AI assistant Sparky, now central to its experience improvements, saw weekly engagement grow 60% quarter over quarter and visual search capabilities led to a 57% spike in conversion. Sparky also drives 40% higher average order values. Walmart also benefits from external AI agents like OpenAI's ChatGPT and Google's Gemini, which deep link to Walmart, resulting in high conversion rates. This contrasts with Amazon's blocking of such agents. Guggina hinted at integrating Sparky into other areas like Vizio TVs.
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