August 3, 2009 — The Box.net widget gives lets you upload and then share files with your readers right from your blog sidebar. Learn more about it at our dedicated WordPress.com support page.

August 3, 2009 — The Calendar widget for WordPress.com gives your readers the opportunity to navigate your content via a calendar displayed in your blog sidebar. Read more about it on our dedicated WordPress.com support page.

August 3, 2009 — The Categories widget displays your blog’s categories in the sidebar and allows you to further customize it. Check out our dedicated support page on WordPress.com for further details.

August 3, 2009 — The Authors widget for WordPress.com displays a list or partial list of authors in the sidebar of your blog. Find out more on our dedicated WordPress.com support page.

August 3, 2009 — The Blog Stats Widget for WordPress.com displays the total hits on your blog in its sidebar. Read more about it on our dedicated WordPress.com support page.

August 3, 2009 — The Archives widget displays a month-by-month list in the sidebar of your blog that your readers can use to navigate your content. Find out more on our dedicated WordPress.com support page.

August 3, 2009 — The Akismet widget shows a simple counter for the amount of spam caught by the free Akismet service. Find out more on the dedicated WordPress.com support page.

July 26, 2009 — This short introductory video introduces the concept behind and quick-start setup of Gravatar – a free service designed to make your life easier, by associating a free-floating avatar with one or more of your email addresses. Get your own Gravatar via your WordPress.com profile page, or Gravatar.com

July 24, 2009 — This short video introduces you to adding and managing widgets on your WordPress.com blog.

July 22, 2009 — This video walks you through a quick way to add your latest Twitter tweets to the sidebar of your blog, via the built in Twitter Widget. For self-hosted blogs, check out this video