Elon Musk April 20, 2023 7:51 pm Twitter Removes Legacy Checkmarks Many of Twitter’s high-profile users lost their blue checks that helped verify their identity and distinguish them from impostors on the Elon Musk-owned social media platform. US & World Videos 3:24 Morgan Stanley expands OpenAI Chatbot tools to Wall Street Division 1:28 AI guiding public transit, emergency vehicles 1:35 Samsung unveils new Galaxy ring, phones 2:53 Russia's misinformation campaign against Paris Olympic Games 1:16 Watch: Cyber-security expert discusses hacking of water utilities