Help People Subscribe to Your Content
You can promote your feed by placing an "Add to Google" button to your website. This will make it easy for people to quickly add your feed right to their Google homepage or Google Reader.
You can also use the "Add to Google" button to promote a Google Gadgets API gadget you've created.
If your content is a feed
http://www.google.com/intl/zh-cn/webmasters/add.html
