I often talk about RSS since I find that it is the most helpful creation on the web in the past few years. I recently stumbled on a site that is starting a movement to standardize the RSS feed icon to put on web sites. Currently, there are a ton of different icons that are used to designate an RSS feed so it is difficult for people to quickly identify an icon as a feed. Here is the icon in question:

As you can see, I added that icon to the sidebar on the left side of the site. For more information on the standard or to download the icon in different sizes and formats, take a look at feedicons.com.