Half of Twitter's top 100 advertisers have pulled out of the platform since Elon Musk took over less than a month ago, Media Matters reported. As per the report, these 50 companies, including Coca-Cola, Meta, Kellogg's, Chevrolet and Chipotle, have spent $2 billion on Twitter advertising since 2020. Recently, GroupM, the world's biggest ad-buyer, designated Twitter "high-risk" for advertisers.