Not sure I want to send my contact details out by RSS. Now along comes Card File
Charles Coxhead comments that CardFile may also explore hosted FOAF files and is then looking to further at the ways to harness these networks. He's had little outside input. So go and give him some!
There are businesses that would benefit from "contact me" information.
CardFile is a system for subscribing to the contact information of friends and colleagues. These are delivered to your news aggregator as a single personalised RSS feed, which you can arrange alphabetically or probably more likely in order of most recently updated...in this way CardFile