Bookmarks using RSS

For example, this Engadget bookmark intelligently shows its thumbnail as the list of the items from its RSS feed.

Bookmark using Open Search

Bookmarks of search sites are automatically given a search box for instant search. Results are displayed in its thumbnail area, with the option to pop the results into a new page tab.

Bookmark using its mobile site

The Flick home page bookmark has search and content using its mobile site, which functions better in narrow widths.

Bookmark using Bookmarklets

The Tumblr bookmarklet allows users to quickly post tweets - the same can be done for sites like Twitter or Facebook as well.

Bookmark using plugins

This Youtube page bookmark intelligently fills its thumbnail as the video of the page.

Bookmark Space

Bookmarks button brings you to the Bookmarks Space - beautiful browsing and management of bookmarks. Most frequently browsed bookmark will be given the largest thumbnail, sized in a Modulor fashion.