WhatsApp Messenger

Since the advent of the Internet some decades ago, and the evolution of social media in general and instant messaging apps or platforms in particular, there has been no form of online communication accepted and widely used as WhatsApp Messenger.
This booklet gives brief history and milestone of WhatsApp Messanger since its inception, some of the major features of the app, some cautions one has to make in using the app, and how the app can be used effectively in Christians ministries.