July 17, 2009 — The recent addition of the PollDaddy Ratings widget to WordPress.com blogs allows you to add star and thumbs-up, thumbs-down ratings to your blog posts, pages and comments. This video walks you through the basics. For more information check out this support page. A WordPress.org plugin version is in the works.
January 5, 2009 — If you want to quiz or poll your readers with a customizable, embeddable poll, the PollDaddy feature baked into the WordPress.com editor makes it really easy. This short video talks you through the process of putting a poll together and checking up on the results.