The eBlogs plug-in allows websurfers to save, catalog, and share interesting pages from your WPMU site to eBlogs. The eBlogs plugin appends links for your readers to use those sites to the end of each of your blog's posts, increasing your potential audience. You can bookmark to eBlogs so easily. To install, upload eblogs.php file in your wp-contents/mu-plugins folder. The eBlogs hooks the_content() and the_excerpt() to display without requiring theme editing. To heavily customize the display, use the admin panel to turn off the display on all pages. This is completly free to distribute and free to modify