And with different purposes and contributions

I’m literally less than a decade old and only own a phone and a shitty HP laptop

Cambridge Analytica. Not only did they influence the elections and general political attitude of the Philippines, it also affected US elections as well. I think there was a genocide that was caused by targeted campaigns too, not sure where it happened, though.

https://en.wikipedia.org/wiki/Embrace,_extend,_and_extinguish you may also be interested in the story of XMPP