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.
http://alifile.farafile.ir/file/23039/جزوه-سیر-اندیشه-های-سیاسی-و-تحول-نهادهای-اداری