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.
세종대 채규현 교수, 나선 은하 회전 곡선의 변형 된 뉴턴 역학에 대한 증거 발견 https://aju.news/507645.html