I do the same, stay current by hanging out on HN. When a stack or concept appears to become mainstream or important for my career I’ll do a small personal proje

I do the same, stay current by hanging out on HN. When a stack or concept appears to become mainstream or important for my career I’ll do a small personal project with it. I don’t try to become an expert I just want enough exposure that, if I had to, I could become productive in short order. I consider it employment insurance.