AI - Artificial intelligence (that thing that will take all known jobs in 10 years. That thing that will possibly save humanity and make us better. Or not.)

ML - Machine learning (a way it’s achieved: no magic, just a way to teach the computer to learn by giving it a feedback on how is it doing)

Deep Learning - one of the ways ML is done. Breakthrough and best-so-far technology for lots of applications

GPT3 - A super-duper language model which writes better than you 😉. It can write code too. And slogans. And dialogs. And answer questions. And complete dumb questionnaires 😉. This is the best piece about it, which I recommend to read to everyone.