WhatsApp, the social messaging service acquired by Facebook for $19 billion in 2014, is arguably the world’s fastest-growing communication app. WhatsApp in numbers infographic : http://najibmrh.tumblr.com/image/131739679373 It's free & easy to use, the perfect tool for small business. The question company bosses are now asking is : how can I use the channel for business ? So, this is how :)