1. Elon Musk’s Reaction: Elon Musk criticized Apple’s announcement of integrating OpenAI into its operating system, calling it an “unacceptable security violation” and threatening to ban Apple devices from his companies.

2. Visitor Restrictions: Musk stated that visitors to his companies would need to check their Apple devices at the door, where they would be kept in a Faraday cage to block electromagnetic fields.

3. Apple’s Announcement: Apple CEO Tim Cook announced that the next Apple operating system will integrate ChatGPT, allowing functionalities like writing iMessages and answering prompts, with built-in privacy protections.

4. Musk’s Criticism: Musk expressed skepticism about Apple’s capability to ensure security and privacy with OpenAI, accusing the company of being unable to control what happens to user data once handed over to OpenAI.

5. Background and Context: The announcement comes amidst ongoing developments in AI by major tech companies. Musk recently raised $6 billion for his AI company, xAI, and has a history of conflicts with both Apple and OpenAI, including a lawsuit against OpenAI for deviating from its original mission.