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://123dok.co/document/oz1d06pz-사회연결망이론-social-network-이용한-온라인-게임개발사와-게임퍼블리셔간의-관계분석.html