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.
"정답은 무엇입니까?" 옥스포드 대학 수학과 교수를 당황하게 한 일곱 살 딸의 수학 문제 https://aju.news/542868.html