This app allows you to use your Udacity account to log in and then post your location to a Parse server.
You can view other students' posts with locations and shared links by tapping a marker on the map or a list entry.
You can post your own location by tapping the pin icon, entering your location, and entering a link.
You can refresh the data at any time thanks to the reload icon.
To log out, just tap the button in the top-left corner.