I'd tweak that heuristic to say that you'll be entered into a lottery regardless, and as such it makes sense to figure out which revolution you're in the midst of.
In the 1960's you probably could have flipped a coin between tech and advertising.
In the 1960's you probably could have flipped a coin between tech and advertising.
VR technology was also thought to be a revolution a decade back and it hasn't really delivered. Or take crypto for instance. Is it a financial revolution that will build a mega-corp like Amazon or Google in the upcoming decades or will it slowly fade away.