Cortana on Windows Phone had a "notebook" of everything it had learned and you could modify it to your liking. For example it detected my home and work location

Cortana on Windows Phone had a "notebook" of everything it had learned and you could modify it to your liking. For example it detected my home and work locations and transit hours and displayed every weekday at 17h15 bus information before I left, and I could modify that info if it was wrong.