I think a lot of this does exist, it just isn't formalized. In person socialization happens at a public place. If you go to the same public place the same time

I think a lot of this does exist, it just isn't formalized. In person socialization happens at a public place. If you go to the same public place the same time each week, odds are you'll find yourself as part of a casual community after a few months. Coffee shops are great for this. Game shops as well