Mobile devices such as cell phones and laptops are increasingly becoming part of todays lifestyle, and so too are the applications that go along with these devices. Apart from the normal voice services provided on mobile phones, text-based instant messaging applications have greatly enhanced our communication capabilities with others while on the move. Global mobile phone usage has grown to 50% and is steadily rising with the current number of subscribers topping 3.3 billion. With the population of the world being 6,634,294,193 and the number of mobile phone subscribers being 3.3...