According to OpenAI (@OpenAI) and Greg Brockman (@gdb), users can now personalize ChatGPT by adjusting characteristics such as warmth, enthusiasm, and emoji usage directly within the "Personalization" settings. This update enables businesses and individual users to fine-tune AI interactions for improved customer engagement, brand alignment, and user experience. The feature opens new opportunities for companies to deploy AI assistants that reflect their unique brand voice, fostering better client relationships and increased retention (source: https://x.com/OpenAI/status/2002099459883479311).