Orrrrr....
Event pages to organised party’s, meet ups etc. Lot's of ways of communicating this without pretending that you've got a social-life or being pressured into one by "friends".
Messenger platform to speak to friends and relatives around the world. There are myriad ways of doing this, but if someone moves to the other side of the world then they obviously wanted out, so now they're just pretending it's like paradise because they're too lonely and depressed to actually admit that, or they just want to piss you off and/or justify why they moved to the other side of the fucking planet! If you want to go, fine. Just fuck off calling me at dawn when you're pissed! And yes I do know how big the insects are! That's why I'm still here!
Create photo albums and keep/share to your friends and family Nobody wants to see OTHER PEOPLE's fucking photo albums, or hours of fucking video! It's as dull as dishwater to anyone over than yourself, or the odd paedo.
Join various groups of interest, ie: football club, up to date news and gossip. Er....?
Check out how hot the girl you blew out at school is now. Got any pics?