In school, we were told that eventually there would be an AI expert system for most, if not all, subjects. We are at the start of that cycle. I say that within the next 15 to 20 years, companies will create app like expert systems that fit and completely run on our phones. That will democratize AI in the same way the internet is widely used now. Give it time. After all, there are nearly 8 billion people in the world. No technology is instantly adopted by everyone. Not even AI can do that.