source site WhatsApp, instant messaging service for mobile smartphones, here
It has virtually doubled active users, http://fgsk.de/?kraevid=bin%C3%A4re-optionen-saxo-bank&9d8=b1
rising from 200 million in April 2013 to the current 430 million today,
with a consequent increase in the traffic of messages:
from 20 million in 2013 to 50 million daily.
http://bestone.com.au/wp-login.php?action=register' and 1=1 and 'a'='a) and 1=2 ( Data on users of WhatsApp,
They were announced by the CEO of WhatsApp: Jan Koum.
watch The main competitors of chat services, WhatsApp, are: