Converts an rss feed into an image linked to the original feed that can be displayed on any web page (including WordPress.com). No need for RSS parsers.
Though it may seem like everything has an RSS feed nowadays, lots of sites still lack the feature. Fortunately, there's Dapper: The Data Mapper, a web service that will take information from a site and package it in the form of your choice.
APML allows users to share their own personal Attention Profile in much the same way that OPML allows the exchange of reading lists between News Readers.
Reader's friend list comes from the list of people you can chat with on Google Talk or Gmail chat. To invite friends to see your Reader shared items, simply invite them to chat. To remove them, delete them from your Gmail contacts, or from your Talk list.