Earlier quoted context omitted.
I'm not 100% sure, but I think in 2012 chatbots still used handcoded rules. So we switched from handcoded rules to trainable neural networks in just a few years. Models like GPT-3 are interesting because they are conceptually simple, and are able to do (previously) complicated tasks without any explicit training (e.g. simply by processing lots of text and trying to predict the next word). This is a huge advancement i…
I remember chatbots in 2000 using hidden markov models (and sometimes even neural nets), so from that standpoint, they aren't exactly new. The models are just larger now.
Caenorhabditis elegans neurons work a lot like our neurons, we just have a lot more of them.