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.
https://laiducgiang.blogspot.com/2018/07/bon-phep-la-thanh-the-lam-kho-cac-nha-khoa-hoc.html