I have checked everywhere on the web to find info about symbols and icons relating to facebook messenger but there seems to be no definitive answer anywhere.
Me and a friend are in deep discussion about this.
We are aware if someone has fb messenger they get a blue type of symbol with an arrow next to their name. Also, we know you can see who is active and whether they are on the web or mobile.
But if someone has a blue telephone handset next to their name (not a cellphone) does that mean they are using messenger at that moment, does it mean they are on the phone or just messaging or does it mean they maybe using the facebook app on their phone, it's confusing ?