> It's different. With the ML stuff there's a bunch of actually useful applications and interesting problems at the core with a lot of fluff and marketing piled on top of it. That's the reason why you're seeing the ML/AI hype last so much longer than blockchain (which was basically a quick cash grab with no substance).

LOL...I thought supermarkets were using blockchain to track the provenance of their cabbages, coffee beans, beef joints, etc LOL

I think you have a point about ML/AI. To my mind, judging by the hype, there seem to be a lot of solutions looking for a problem. Having said that I feel I should also jump on the bandwagon and get my ML/AI credentials as an insurance against future demand for the skillset ;-)