Exactly this. I have ~ 35 years of experience, but I'm always trying to keep up with advances in algorithms and data structures. Frameworks and languages is m

Exactly this. I have ~ 35 years of experience, but I'm always trying to keep up with advances in algorithms and data structures. Frameworks and languages is mostly just rearranging and renaming the deck chairs -- there's hardly anything _actually_ new. Taking a positive spin on it, if reintroducing good old concepts as new makes them more adopted, maybe that's a good thing. Most serious people will eventually recognize the precedence and make the link.