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.
Lectura de Tesi dia 23-11-12 https://egd.upc.edu/resolveuid/eb6669fc-b9bf-4429-9f73-821d149a921c