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://mehrejonoob.farafile.ir/file/22460/پژوهش-مقايسه-بهداشت-رواني-دانشجويان-سيگاري-و-غير-سيگاري