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://book.icfi.ir/book/221432/طراحی-اجزای-سیستم-های-الکترومکانیکی-در-مقیاس-میکرو-و-نانو