Let's dive into some of the advanced features you've mentioned.

ChatGPT recently expanded its functionalities with the ability to summarize online content, scan and describe images, serve as a private tutor, and even provide advice on various subjects. One of the latest enhancements is the introduction of third-party plugins. This allows users to enable different functionalities based on their needs. For instance, there's a plugin called "Ask Your PDF" that can help with summarizing PDFs. As for image description, although it doesn't technically scan images, it uses keywords in the link provided to describe the image. There's also a plugin called "Link Reader" that could be useful in this regard.

Moreover, OpenAI launched the free ChatGPT app for iOS on May 18, 2023, allowing users to sync their history across devices and integrate with OpenAI's open-source speech-recognition system, Whisper. As of May 24, it expanded to 11 more countries, with more expected to follow​.