WhatsApp claims over 500 million active users; India the largest market The multi-platform instant messaging app WhatsApp has been growing steadily, and these days it’s just as common to hear someone say, “WhatsApp the address to me”, as it used to be to April 23, 2014 Channel/Game Online/industrial Power/IT Magazine/LCD TV/LED TV/Magazine Advertisement india/Mobile Launch/Motherboard/Networking/News/Security/Social Media/Tablet/Technology News/Telecom News/TV