Is this why a new privacy setting quietly turned up called "Activity history"?

> "Activity history: Jump back into what you were doing on your device by storing your activity history, including info about websites you browse and how you use apps and services. Review the Learn more and Privacy Statement to find out how Microsoft products and services use this data to personalize experiences while respecting your privacy"

"Copilot" also quietly turned up on my Windows 10 taskbar not long ago. I certainly didn't opt to install it.