WhatsApp: its role and history
WhatsApp was founded by Jan Koum and Brian Acton in 2009. At the end of the year, it was launched on the App Store for iPhone with no alternatives in the world at the time.
This application, referred to as an instant messenger, was intended to give users an opportunity to exchange messages in real time using mobile Internet or WiFi. Today WhatsApp is available for all popular mobile operating systems.
As a continuation of the research publications of our company on the internal mechanisms of the world's largest messengers. Today we will look at WhatsApp in its current state. In fact, the insides have not changed much over the past three years, the changes there are rather cosmetic.
In this article we will look in detail how to study the protocol of the messenger, answer the question "Can WhatsApp read our correspondence?" And I will attach all the necessary code in PHP.
SMS abbreviation is known to all of us. The fact that it is a service for an exchange of short text messages between the subscribers of cellular networks is known even to each child now, who got the first mobile phone before entering a school. But not everyone knows how this technology is made and appeared. Today, we would like to tell you the story of SMS emergence, where Nokia played a very important role. We will also mention some aspects of this technology and some interesting facts.