Note: Legal restrictions may apply depending on your country/region. With root access you can patch other apps to gain special access to functions, or removal of self-protection for some apps.
Root file explorers can allow you to view all folders on your phone, such as /data/ which is normally protected. You can remount your /system/ directory read-write, which will allow you to remove carrier-shipped applications you don't like and so on. Things that Require Root Root File Explorers
