You do not reach your loved ones after a natural disaster? Zuckerberg thought about your parents, friends or relatives. Thursday, Facebook unveiled a new tool to reassure everyone you know, the “Safety Check”.

“Are you safe?”

Announce to the community that all is well with one click, it is the idea developed by the American giant. Facebook will determine the users in an affected area (thanks to geolocation and geographical information return on their profile) and send a notification to see how they go. Users can click “I’m fine” or “I’m not in this area ” . Updates their status will be automatically sent to all of their contacts. Thought after the tsunami in Japan in 2011, the application will be available on Android and iOS operating systems. Yet will he have the network to connect to Facebook