Apple unveiled its AI strategy, integrating Apple Intelligence across apps and partnering with OpenAI to bring ChatGPT to iPhones. Announced at the Worldwide Developers Conference, new AI features include text summarization and personalized content. ChatGPT integration and revamped Siri will debut later this year. Apple also introduced iOS 18 with improved customization, app locking, and email categorization. Vision Pro headset updates were also revealed, targeting over one billion users.