The new hire pulled up a tool I'd never heard of and had the thing done before I'd finished asking what it was. Everyone around the table nodded like it was obvious. I used to be the one who knew the newest things, and now the field is quietly moving to a place where the version of me that mastered it doesn't fit.
More people experience this than they realize.
Younger colleagues are rising and you feel the field moving past you.
If this sounds familiar, the Library can help you find the bigger picture.