July 7, 2023 4:57 pm Millions continue joining Threads app Staggering numbers show the latest social media site, Threads, could topple Twitter. Business and tech reporter Scott Budman reports. US & World Videos 0:37 Waymo is latest self-driving vehicle company under investigation 2:06 A closer look: The future of AI 3:19 OpenAI unveils new AI model, prompts protests 3:08 AI protests worldwide as SF company makes major announcement 2:24 AI protests ahead of company's major announcement