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.
[지금은 과학] 전기를 만들어 투명하게 ... 차세대 태양 전지가 나왔다 https://aju.news/518957.html