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://123dok.com/document/ynnk0njy-bab-1-pendahuluan-1-1-latar-belakang-masalah-munandar-2013.html