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.
서정진 2020 년 개발 완료 특별 주문 ... 셀트리온 연구원의 삶 https://aju.news/486376.html