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://www.maikhoi.net/2019/01/6-vi-thanh-bao-tro-cho-nhung-ca-xin-on-chua-lanh-phan-xac.html