> By open do you mean not centralised? I don't get the significance of big S social media. Functionally how would big S improve on group chats?
Social media has two functions: chat (within groups/topics/...) and discovery (of groups/topics/...). So unless we rely only on IRL discovery, we need a way to do discovery online.
Social media has two functions: chat (within groups/topics/...) and discovery (of groups/topics/...). So unless we rely only on IRL discovery, we need a way to do discovery online.