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.
2万字|30张图带你领略glibc内存管理精髓(因为OOM导致了上千万损失) https://codingnote.cc/p/491978/