Advertisers pull back from Twitter amid 'uncertainty' over Musk
Some advertisers are pulling back from buying promotional placements on Twitter as they determine what the site will look like under new owner Elon Musk. In a statement to NBC News, Omnicom, the world's second -largest agency by revenue, said that even as it remained in close contact with Twitter to determine any changes in the site's operations, "uncertainty of this kind raises concerns among advertisers." The company said it would continue to provide guidance to clients so they can make informed decisions. Meanwhile, a source familiar with the thinking of Interpublic Group's Mediabrand advertising agency unit said it had advised its clients to halt spending on Twitter for at least one week to assess any new changes in the site's direction. A spokesperson for Interpublic declined to comment. Musk confirmed the impact of the pullback in a tweet Friday, saying “Twitter has had a massive drop in revenue," and blaming what he called " activist groups ...