Meta CEO Mark Zuckerberg makes a keynote speech during the Meta Connect annual event, at the company's headquarters in Menlo Park, California, on Sept. 25, 2024.Meta Platforms is launching a stand-alone artificial intelligence app and going head-to-head with ChatGPT maker OpenAI.The new offering will utilize the company's Llama AI model to act as an AI assistant for users, the company said Tuesday. It also includes a Discover feed that shows how other are interacting with the tool and can be used to create ...