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.
CentOS 7.7(1908) 發布 https://blog.wongcw.com/2019/09/19/centos-7-71908-%e7%99%bc%e5%b8%83/