I quit FB many years ago, because I'm technically and historically literate. And yet there are billions of other people who are not, and who do use it, and this

I quit FB many years ago, because I'm technically and historically literate. And yet there are billions of other people who are not, and who do use it, and this strongly effects my life https://en.m.wikipedia.org/wiki/Network_effect https://en.m.wikipedia.org/wiki/Network_effect