For the past seven years, whenever I learn something new, I put it into my set of Anki (https://apps.ankiweb.net/ https://apps.ankiweb.net/) cards. Details tied

For the past seven years, whenever I learn something new, I put it into my set of Anki (https://apps.ankiweb.net/ https://apps.ankiweb.net/) cards. Details tied to a job are tied to that particular job; when I leave, I delete those cards. Almost everything else stays. Anki may have been designed for learning languages, but it's a great system for learning anything.