1. Names: Javier Valenzuela
WhatsApp
Names: Javier Valenzuela
Emilio medina
Miss: Ángela chaparro
Subject: English

2. introduction
Today we will introduce you to the history and development of one of the most used applications of WhatsApp that is inevitable in the lives of people.

3. History of whatsapp
At that time, the dominant force in the mobile instant messaging segment was BlackBerry and its popular BlackBerry Messenger (BBM). Microsoft Messenger, Google Talk and Skype also appeared on the scene. The big problem with BBM was that it only allowed contact with other users of BlackBerry devices.

4. hidden functions of whatsapp

5. conclusion
it can be concluded that whatsapp hy in day is an application that has to be yes or yes in the user's mobile since it is essential to have it as an application to make text or voice calls. finally whatsapp will end up being the most used app in the world surpassing the big ones like facebook, twiter and instagram