How to create WhatsApp Catalog?

WhatsApp was created in the year 2009 by two former Yahoo employees, Brian Acton and Jan Koum. WhatsApp is known for its simplicity and performance. WhatsApp has around 2 billion active users in 180 countries. Alone United States has 68.1 million active users on WhatsApp.  Facebook acquired WhatsApp for $19 billion in 2014 and it ...