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.
施华德 – Walter Sperger https://www.philodex.com/zh-hans/%e6%96%bd%e5%8d%8e%e5%be%b7-walter-sperger/