I am using WhatsApp since to last 5 year, WhatsApp really great application. I can share my videos, photos, music and chat with my friend on Iphone and android! Registration in the best in this app-you have jest connect it to your phone nomber. its awesome, because all my friends that have installed this app will be in my friendlist in WhatsApp!
Brillint invention which helps me stay in touch with dear friend in a more private manner in relation to the social networks.