Sounds about right. Facebook messenger already has the most penetration solely by dint of total # of users. All my foreign-born employees and coworkers are wh

Sounds about right. Facebook messenger already has the most penetration solely by dint of total # of users. All my foreign-born employees and coworkers are whatsapp users because of free voice calling over wifi. Hangouts is strictly available because it's installed by default on Android and it mines contacts. Allo / Duo have even less use because except for limited Android phones it has to be installed.