| Let’s not and say we did [dive into mark] | # Introduction to tabbed browsing | # Opening links in a new tab | # Bookmarking a group of tabs | # Using a group of tabs as the home page | # Rearranging tabs | # Introduction to live bookmarks | # Introduction to spell checking | # Introduction to search engines | # Adding a search engine | # Removing a search engine | # Installing an add-on | # Changing add-on options | # Enabling and disabling add-ons | # Uninstalling add-ons | # Installing a new theme | # Switching between installed themes | # Uninstalling a theme | # Adding a Print button to the toolbar | # Rearranging buttons on the toolbar | # Removing buttons from the toolbar | # Changing the size of toolbar buttons