Back in the day there were dotcoms and "everything needs an app." More recently we had VR, crypto, NFTs, AI, and probably others I can't remember. They all brought in scam artists, grifters, and people with more greed than sense. What's next? Will it come soon?

Resolves subjectively, based on hype and maybe LinkedIn profiles of people claiming to be experts in a new field (esp if they changed from one of the previous fads). Since it's subjective, I won't trade.