1996
YouTube's plan backfires, people are installing better ad blockers
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
That's a good example of unintended consequences. Another is alcohol becoming really dangerous on the black market once Prohibition happened in the US.
Drugs going through that now. I took some stuff in college. No way would I touch it today. Fentinyl in everything.