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.
호킹 박사의 블랙홀은 더 무거웠 고 내기에서 더 멀었다 : 동아 사이언스 https://aju.news/533056.html