I can't claim to use my little educational side trips to full advantage, but I do learn a lot about a variety of (useless, but fun) things. I probably will never use the calculus - not that I ever have since college - but at least it reminds me of why I spent so much time preparing for those two courses!
I like your focus on continuing education. It's interesting and certainly most people could benefit from.
Keep on Steemin'!