E-Mail, IRC, forum software, mailing lists aren't at all comparable to Facebook. They do very different things.
I was really talking about, for example, Vine. You'd rather use TikTok than Vine. There might not actually be any social networks from late 2016 no one uses today that I've heard of, so it's hard to give an example that looks back to when 14nm was the typical node size for phones. Which is sort of my point, it is in some strict sense of the word literally inconceivable to go back. Whereas I remember what an iPhone 7 was like, and it's not that big of a change.
I haven’t reacted my compuserve account, but I’m fine using email, IRC, phpBB, mailing lists...