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.
冬天怕出汗 https://www.brain-classroom.com/2013/12/%e5%86%ac%e5%a4%a9%e6%80%95%e5%87%ba%e6%b1%97/