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://farafile.ir/product/26673/بررسی-چارچوبهای-نظری-و-فلسفی-نظریه-عمومی-سیستم-ها-و-سایبرنتیک