Hi! Welcome to the Insider Advertising daily for September 22. I'm Lauren Johnson, a senior advertising reporter at Business Insider. Subscribe here to get this newsletter in your inbox every weekday. Send me feedback or tips at ljohnson@businessinsider.com. Today's news: Walmart and Instacart chip away at Amazon's ad dominance, Quibi mulls a sale, and Suzy raises $34 million. Photo by Evelyn Hockstein/For The Washington Post via Getty Images Ad insiders say retailers like Walmart, CVS, and Instacart are starting to chip away at Amazon's advertising stronghold in the pandemic Patrick Coffee and Tanya Dua report that the pandemic has benefitted new e-commerce advertising platforms like CVS and Walmart.
