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Junk websites filled with AI-generated text are pulling in money from programmatic ads
(www.technologyreview.com)
This is a most excellent place for technology news and articles.
Some ads are paid on a "per view" basis rather than per click
When the sites are bot built like the ones described here its just a matter of Large Numbers. Create a thousand permutations of porhub and if they all only get a few thousand views a day in total you've made some money.