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.
하루동안 우리나라 시간대별 전력 소비 패턴 (주말(연휴) vs. 주중 비교 업데이트) https://chulw.wordpress.com/2016/05/13/elec2/