I'm about 20 years into my career and what I would tell her is that I've become an expert in and forgotten more technologies then I can remember. But it's not a

I'm about 20 years into my career and what I would tell her is that I've become an expert in and forgotten more technologies then I can remember. But it's not a waste of time, somehow things from 20 years ago that seem like completely useless knowledge still popup once in a while and inform my decisions and make me a better engineer overall.