[j_s]

Stalking Your Friends with Facebook Messenger | https://news.ycombinator.com/item?id=9609286 (May 2015, 185 comments)

when you send a message from the Messenger app there is an option to send your location with it

the mobile app for Facebook Messenger defaults to sending a location with all messages

[chis]

Facebook doesn't do this anymore.

http://money.cnn.com/2015/06/04/technology/facebook-messenge...