Bibliography (6):

1. https://openai.com/blog/chatgpt/

2. https://openai.com/index/hello-gpt-4o/

3. Scarlett Johansson says she is "shocked, angered" over new ChatGPT voice

4. ChatGPT will be able to talk to you like Scarlett Johansson in Her / Upgrades to ChatGPT’s voice mode bring it closer to the vision of a responsive AI assistant—and Sam Altman seems to know it

5. Wikipedia Bibliography:

   1. Sam Altman

   2. OpenAI