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.
태양 광을 전기로 ... '페 로브 스카이 트 태양 전지', 세계 최고 효율 25.2 % 기록 https://aju.news/572143.html