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.
Red Cliff (赤碧) https://tongfamily.com/2008/07/12/red-cliff-%e8%b5%a4%e7%a2%a7%ef%bc%89/