Places - Smart bookmarks от T@ntely

Adds an icon to the toolbar that allows you to create smart bookmarks folders.

A smart bookmark folder is a dynamic bookmark folder that displays links from your history/bookmarks based on some criteria.
The following bookmark folders are included in Firefox by default:
- Most Visited
- Recent tags
See the official site http://mzl.la/1BAQsge for more information regarding smart bookmarks folders.

Smart bookmarks are added to the "Other bookmarks" folder by default.