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Amazon touts its Marketing Cloud, but buyers have concerns; OpenAI’s ad biz may face challenges; and in-chat shopping isn’t all it’s cracked up to be.

Walmart has some new rules for third-party sellers; WPP wins Mastercard; and marketers should get into VTubers.

Generative AI tech is hurting publisher search traffic, but it’s also helping pubs optimize their ad sales efforts. The head of publisher ad tech solutions for AWS explains how AI is transforming how advertisers value media and the implications for publishers large and small.

The in-game advertising market’s stagnation is both unsurprising and frustrating. The onus is on the gaming industry to make gaming an essential channel for advertisers, rather than a nice-to-have.

In today’s newsletter: Amazon stands out among Upfronts CTV rookies; Google reveals how much revenue its ad tech divisions make; and women hold more marketing leadership positions than men, but churn is worse for women.

In today’s newsletter: To boost its ads biz, Walmart will show in-store ads for non-endemic brands; Hyve Group buys Possible; and the Senate advances KOSA and COPPA 2.0, but the bills face obstacles in the House.

Ally’s newest Fortnite game, “Tee Time Speedrun,” launched last week to promote its sponsorship of the USGA and LGPA. The game ties into Ally’s goal of reaching gender parity in its sports sponsorships.

In today’s newsletter: Online news revenue is being throttled around the web; Roblox is on a mission to build a $1 billion ad business; and TikTok is circumventing the Apple App Store’s 30% fee by directing users off iOS to purchase TikTok coins.

The US ad market is set to grow this year, according to a Magna forecast released Thursday. Streaming and political advertising play outsized roles in that growth.

In today’s newsletter: The DOJ publishes its antitrust suit against Apple; Reddit’s stock pops on its IPO day, but its long-term prospects depend on Google; and Amazon’s hollowing out Twitch.