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.
https://daftaroketab-com.pdf-doc.ir/file/11548/پاورپوینت-گراندد-تئوری-چیست-و-چه-کاربردی-دارد