i got an email from google inculde this : Promote & enhance your website using Gadgets You can enhance your own website and promote your website's content, for free, by using Google Gadgets. To enhance your own website, you can add fun or content-rich gadgets by copying and pasting a little HTML you can generate from the directory of gadgets for your webpage. To promote your website's content on the Google homepage and on other sites across the web, you can create and optimize your own Google Gadget. so is this related to adsense and how i can promote my site using this?