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://behkml.farafile.ir/file/39128/خلاصه-فصل-1-کتاب-مدیریت-پوشش-خبری-در-رسانه-ها