This is what you get: Brussels Explosions FACEBOOK SAFETY CHECK Quickly find and connect with friends in the area. Mark them safe if you know that they're OK

This is what you get: Brussels Explosions FACEBOOK SAFETY CHECK Quickly find and connect with friends in the area. Mark them safe if you know that they're OK. Are you in the affected area? Yes, let my friends know. ---- Basically if you are in Brussels you let Facebook know you are ok. And if you have friends who knows you're in Brussels, they can check if you are ok. Rather then the poor Brussels person getting lots of messages from people asking if he is ok, they can check once.