This is useful if you have a place on the sidebar or a box on the homepage where you want to have some changeable content. Add the content to a post or page and then output it wherever you want it using this.
<?php // know the id of the page you want to display $theId = 668; // get the post $feature = get_post($theId); // get the content for the post. You can also get anything else for the post, post_title, post_excerpt... $content = $feature->post_content; echo $content; ?>

