Earlier quoted context omitted.
The first tranch of social networks (Friendster, Friends Reunited, MySpace, etc) were very much based on people keeping up to date with their friends. They worked quite well for users , but were hard to monetize succeasfully. There was value there, but not much in the way of ideas about how to extract it besides sticking a skyscraper ad down the side. I don't see any reason not to try that model again. Maybe it'll wo…
I’ve found long running chats like WhatsApp, telegram or signal fulfill that role.
This is a problem that you don't really start to understand until you're getting on a bit. When you're young you usually have a close group of friends from school or college, and maybe a job or two, and your extended family, and that's pretty much it. Fast forward 25 years and there loads of people who you've met and consider people you'd like to keep in touch with but who aren't friendly enough to want in a chat app. Social networks fill that gap really neatly.