I still remember my reaction when my 60 years old dad sent me a GIF via WhatsApp. I still remember how surprised I was when my 12 years old niece told me about her choice for WhatsApp over facebook messenger due to the encrypted message settings. It is interesting to see that the technology of mobile messenger apps have become popular over the last decade that billions of people from various generations relying on them to communicate with friends and family. It Doesn’t matter if they live on the same street or in different parts of the world. As of 2016, the most used five messenger apps in the world are WhatsApp, Facebook App, Viber, Line, and WeChat.