Looking back at the history of artificial intelligence over the last 50 years or so, one thing that memory teaches us is that there have been certain boom and bust cycles of AI growth and focus.These years saw a slackened interest in this type of technology, and less of the innovation that we now see happening with rapidly strengthening artificial intelligence and machine learning programs.
That's kind of a vicious cycle – if enough people are saying that the money is not going to be there, the end result is, often, that the money doesn't end up being there. Some cite John McCarthy, an early proponent of AI, as turning sort of sour on market potential during those years.“McCarthy criticized expert systems because they lacked common sense and knowledge about their own limitations,”