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.
سرچشمه https://thepapernight.wordpress.com/2011/01/16/%d8%b3%d8%b1%da%86%d8%b4%d9%85%d9%87/