If you only know stuff about your brothers kids because of facebook (and he lives withing reasonable distance, granted!), you are already a hermit. I agree abo

If you only know stuff about your brothers kids because of facebook (and he lives withing reasonable distance, granted!), you are already a hermit. I agree about the invite part, some communities are really build on top of fb. Here in the Netherlands I started missing things when I was off of Whatsapp (lived without a smartphone for 1.5 months).