this author can't see the forest for the trees. "Social networking", for all intents and purposes is just a facet of the internet:
https://en.wikipedia.org/wiki/List_of_social_networking_serv...
↑ it's a long list
https://makeawebsitehub.com/social-media-sites/ ← "101 social networking sites you 'need to know about' (ugh) in 2022"