In this week’s Omni Talk Fast Five retail news roundup, sponsored by the A&M Consumer and Retail Group, Wiliot, Avalara, TGW, and Sezzle, Chris and Anne:

• Discussed Instacart serving up advertisements on its smart carts
• Split on Peloton and TikTok’s new partnership
• Lauded Starbucks for allowing customers to bring their own cups
• Debated the merits of fit tech through the lens of Amazon's new fashion AI enhancements
• And closed with another salute to Walmart for piloting mammograms in a Delaware store

There’s all that, plus bifocal issues, Taco Bell chalupas, and why Costco should never get rid of its $1.49 churros.

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