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://sciences.farafile.ir/file/34779/پاورپوینت-درس-1-و-2-کتاب-زبان-متوسطه-دوم-(دهم)