That's a lot of questions, but let me take a couple. I got my Master's degrees in the early 1970's, when we used something called a "slide rule". In 1990 I went back to school to update my skills and expand my knowledge into artificial intelligence, which I had become enamored with. Unfortunately, I didn't finish my PhD (big mistake!) because in 1995 I jumped on an opportunity to join a company that had this amazing software that enabled very advanced analytics on big data (except it wasn't called "big data" back then). The software was called HOPS (for Heuristic Optimized Processing System) and I still use it today to develop custom machine learning applications among other things. I went back to school again in 2016 to fill in some gaps so would qualify as a real "data scientist" - the latest craze. I will say that HOPS was and is the biggest idea in software that hasn't worked out - at least not commercially. It's a system that is great for data scientists working on big data and enables them to do their own programming with minimal effort. I'm still hoping HOPS will take it's deserved place in the world of software development. It will be a great loss if it doesn't! It's one reason I'm holding on - to prove the exceptional things that it enables and prevent it from being tossed into the trash bin of history.