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.
04.12.2016: Vortrag von Dr. Gerstner http://wuji-zentrum.de/04-12-2016-vortrag-von-dr-gerstner/