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After installing the plugin, a new admin bar menu called "Freshen" is added to the admin bar.
Upon hovering over the "Freshen" item, the registered items are displayed. The plugin supports parent/child relationships.
You can add your own special, grouped cache refresh items. This screenshot shows links to items that update cached tweets from two different Twitter accounts.
WordPress cache refresh items are built into the plugin and stored under a menu item called "Core".