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.
IT 기술면접(일반) 예상문제: CS 일반, 개발 상식, 네트워크 (작성중) http://yoonbumtae.com/?p=2462