If you've ever been annoyed by a loud group of friends, you can mute all of them with a tap of a finger. WhatsApp has a setting for this, which lets you choose whether to use call data or media downloads. The settings are saved in your phone and can be accessed later when you need them. It's also possible to save specific contacts or media, and restore them later. After you've mutated the group, you can easily re-enter the group. The first thing you should do is download the WhatsApp Web application. This application lets you connect to your...