ChatGPT, launched in Nov 2022, has grown to 300M weekly users. In 2024, OpenAI partnered with Apple, released GPT-4o with voice/vision, and launched Sora video generator. OpenAI faced exec departures, lawsuits, and Musk's injunction. Product updates include real-time vision in Advanced Voice Mode, Canvas for writing/coding, and ChatGPT Pro at $200/month. OpenAI also announced '12 Days of OpenAI' with new product reveals.