[gus_massa]

https://paulgraham.com/spam.html

I think all the parts were invented by other people, but he got the right mix to make it work.

It's also like the wheel. Before it was a huge problem and no one know how to solve it. Now it's invisible.

Note that all modern versions use enhanced variants with a lot or trick to make it better.

[api]

Every invention is made of other inventions all the way back to big rock and sharp stick.

So yes Bayesian spam filtering was impressive for its time. I remember it being done locally in mail clients.

It’s also one of the early popular deployments of a form of “AI” but that was still during the hangover from the first AI bubble when you had to call it “machine learning.”