Twitter's U.S. Ad Sales Are Tanking Despite Elon Musk's Claim That Nearly All Advertisers Have Come Back — Take a Look at the Turmoil The company’s new chief executive Linda Yaccarino reportedly started her role earlier than expected. Previous Article Microsoft to Pay $20 Million Settlement for 'Illegally' Retaining Children's Information Next Article 3 Energy Stocks to Add to Your Watchlist