Super Share

Super Share wordpress social plugin by MasterBlogster shows the social sharing buttons in a popup box only when reader reaches the end of the article. It also contains a Feedburner subscription form.

Here is the live demo of Master Blogster Super Share plugin

Plugin homepage: http://masterblogster.com/plugins/super-share-wordpress-plugin

[It is highly recommended to update the plugin to the latest version i.e. 1.1]