Warby Parker and Allbirds are headed in opposite directions: Warby Parker boosted its outlook after reporting another quarter of growing sales and profits, while Allbirds continued to struggle.

Retail media is one of the fastest growing ad channels we track, due in part to the allure of closed-loop attribution powered by retailers’ first-party consumer data. But advertisers are starting to curb their enthusiasm given measurement challenges stemming from the lack of methodological standards across platforms. As it stands, it’s nearly impossible for advertisers to compare platforms against each other, which can lead to misallocation of budgets.

US adults are fairly evenly split on using mobile payment apps online versus in-store—except with PayPal, where 36% of users use the platform online most often, compared with 29% of users who use the app in-store, according to CivicScience.

The initial wave of excitement over generative AI is fading, leaving many retailers asking, “Now what?” Some might want to look toward Shopify, which is incorporating generative AI capabilities across its platform to help sellers build and scale their businesses more quickly. Or maybe take a cue from eBay, which is using the tech to make more accurate and helpful product recommendations. Meanwhile, Etsy is working to democratize access to machine learning models to help speed up deployment across its organization.

Since Google debuted its Search Generative Experience AI-based interface in beta three months ago, it’s made a lot of updates to alleviate early concerns from testers. But according to search expert Lily Ray, Google still has some work to do to fix issues with its new AI-driven experience. Meanwhile, Microsoft—which is still a very distant rival—continues to innovate on Bing Chat, which Ray called “the best AI product that’s out there right now.”

Carvana expects profitability to improve in Q3 as cost-cutting initiatives bear fruit: It’s well-positioned to capitalize on higher interest rates and new car prices.