WhatsApp Web serves in those occasions where it is difficult to be with the cell permanently in the hand and it facilitates to be able to communicate through the PC. To be able to use it, it is necessary to enter from any browser to the page: web.whatsapp.com without having to install any previous application. What you should do next is scan with the camera, through the app, the QR code. In the WhatsApp mobile application you must go to the three dots of the upper right margin and choose "W...