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://okay.farafile.ir/file/20237/پاورپوینت-تحول-نظريه-هاي-مديريت-و-پارادايم-در-حال-تكوين