While it isn't quite the Federated Wiki that the author describes, I've been enjoying using are.na to curate my readings and areas of interest. When I post a l

While it isn't quite the Federated Wiki that the author describes, I've been enjoying using are.na to curate my readings and areas of interest. When I post a link to a channel (as they call it), such as this article, it shows me other public channels that contain the same link, which I can then include or explore for related links, or even contribute to. As an excellent example I've now found many related readings to this article that aren't directly about the same topic but are close enough to have been curated into the same set by some users.