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.
“병원성 대장균 5 분만에 검출 가능”… 감염성 병원체 실시간 검출 기술 개발 https://aju.news/551085.html