This is the best article I've seen about Facebook lately, and I've seen a lot. It's going in my link blog, but I'd like to point it out now, so you don't miss it. It specifically contrasts Facebook and the Internet of 2018 with the Internet of 1995 to 2005.
https://www.theringer.com/tech/2018/12/19/18148701/mark-zuckerberg-facebook-year-in-review