Dave Winer is about to publish a new (0.94) version of the RSS syndication format. But what feeds does he subscribe to, using Radio's aggregator ?
To find out, check the activeRoll at the bottom right of s l a m's groupware category page.
This is another example of aR's blogrolling feature. The macro tag included in this page's template looks like this:
<%activeRoll ( "http://radio.weblogs.com/0001015/gems/mySubscriptions.opml", title:"dave subscribes to" ) %>