• "...the rev mechanism is very powerful and very tricky, because while it doesn’t change the semantics of a link relation, it does change the relationships between the parties, with many consequences that aren’t obvious." Good arguments against using rev-canonical for short URLs. (pssst, Flickr!) [via delfuego]
  • An XMPP Interface for Desktop Notifications. Like Growl for web apps using an open standard. (Does Growl do this?)