Coincidentally (or not), Facebook presented this as an upcoming Messenger feature today [1] > If you can't find a friend and become worried about their safety,

Coincidentally (or not), Facebook presented this as an upcoming Messenger feature today [1] > If you can't find a friend and become worried about their safety, Messenger could one day let you send a request to see their location. A timer would begin on the friend's phone that gives them a chance to approve or deny the request. If the timer expires on its own, their location would be sent to you automatically. [1] http://www.businessinsider.com/mark-zuckerberg-reviewed-coolest-facebook-hackathon-projects-2016-12 http://www.businessinsider.com/mark-zuckerberg-reviewed-cool...