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.
KIST 차세대 반도체 연구소, 손끝으로 심박수 측정이 가능한 전자 섬유 개발 https://aju.news/506867.html