Why does it show 1.2 MB of Facebook in my settings and my wife said she did not use it

[Android Central Question]

In my settings it show 1.2 MB used in 5 hours on Facebook, my girlfriend, says she was not on it

 

[Javier P]

Welcome to the forums. Where in the settings are you seeing that? Memory usage, data usage ...? Facebook runs in the background and it uses resources even when not being used.