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://interfile.farafile.ir/file/37356/پاورپوینت-جمله-سازی-منفی-کردن-سوالی-کردن-فعل-های-to-be