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.
《即时消息技术剖析与实战》学习笔记12——IM系统如何提升图片、音视频消息发送、浏览的体验 https://codingnote.cc/p/78379/