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.
腦退化症照顧篇:安排運動 https://www.brain-classroom.com/2016/01/%e5%ae%89%e6%8e%92%e9%81%8b%e5%8b%95/