Automatically add links on your posts to popular social bookmarking sites.
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, then add calls to your theme files:
// This is optional extra customization for advanced users
<?php print sociable_html(); ?> // all active sites?
<?php print sociable_html(Array("Reddit", "del.icio.us")); ?> // only these sites if they are active