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Excellent points, especially “Keep Learning”, but you forgot to mention take a software relic out for a beer and listen to his war stories … the best way to learn history.

BTW, I should mention that I started developing software in 1965 and continued expanding my skill set until I retired in 2009, when I probably should have given a talk on “being a developer after 60".

These days I only work occasionally on projects that interest me, usually for non-profits and at no charge.