Stalking Your Friends on Facebook Messenger Just Became (Alarmingly) Easier | Huffington Post

Stalking Your Friends on Facebook Messenger Just Became (Alarmingly) Easier; ; In Huffington Post; 2015-05-27; originally pasted as Stalking Your Friends with Facebook Messenger; In Medium; 2015-05-27.
Teaser: Aran Khanna will be starting an internship at Facebook on an unrelated team in 2015-06.
Aran Khanna is an (undergraduate) student in Computer Science and Mathematics at Harvard College.

tl;dr => intern performs free QA for Facebook Messenger; fixed now.

tl;dr => claimed: every Facebook Messenger message (in desktop Chrome) carries precise latitude & longitude; one can acquire these packets & (re-)identify your targert’s location, retrospectively & predictively.

Mentions

  • Facebook Messenger, web page.
  • Marauder’s Map; a Google Chrome (desktop) Extension
    Teaser: Creepily track your friends from Facebook messages
    <quote>>I HAVE ALSO BEEN TOLD FACEBOOK IS WORKING TO FIX THE ISSUE SO DON’T EXPECT THIS CODE TO BE FUNCTIONAL FOR LONG :) </quote>
  • arank/marauders-map, at GitHub
  • <quote><snip/>every time you open your phone and send a single message it’s so easy to forget about your location data being attached to it. Furthermore, it seems so harmless to attach a location with a single message, but the problem is over time the information from these messages adds up.</quote>