Marauders Map

I just assume everything is out there at all times at this point.

Looks like this extension has been disabled. http://mashable.com/2015/05/29/m... Edit: Here's the workaround: https://github.com/arank/maraude...

This isn't exactly creepy, but many people keep their location on within messenger which attaches a lat long to every message you send. This chrome extension plots those data points onto a map so you can see where your friends have been moving around