End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
各小編必備:Facebook 專頁小助手推出革新版加人大量功能! https://qooah.com/2014/06/27/facebook-pages-manager-4-update/