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.
일본 연구팀, 대장 성공한 동물 실험에 소장 기능 부여 : 동아 사이언스 https://aju.news/572450.html