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://prozheone.farafile.ir/file/20715/پرسشنامه-استاندارد-ادراک-تعامل-اجتماعی-(-گلاس-و-همکاران-)