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://emohtava.farafile.ir/file/23864/پاورپوینت-شناخت-فضا-(سیر-تحول-فضای-شهری-در-غرب)