They're not. To test this, go hangout with your friends in a park or someone's backyard or basement or wherever. Social platforms are by definition, advertisin

They're not. To test this, go hangout with your friends in a park or someone's backyard or basement or wherever. Social platforms are by definition, advertising companies. Of course they'll show ads, that's what their business model is. Just like if you go to a bar they will show you all of the alcohol you can buy.