A Widgenie is a graph you can put on your website or blog to show off many different things. Maybe you offered a poll on your blog and the results are in, add them to a and make a chart that your readers can read easily.
Once you've created your Widgenie you can add it to your blog or website for free. Your Widgenie can also be added to iGoogle or your favorite social networking sites. You'll even get stats for your Widgenie so you can see how many times someone has been seen.