movabletype.org: News
“…Here is an AppleScript called iCal2blog to publish events in your iCal calendar(s) to your weblog via XML-RPC…”
Well, if anyone in the group happens to use iCal I suppose. But, this is a standard and so could be a glimpse into far greater interoperability between apps. Maybe weblogs can start functioning as the traffic warden/glue of the webservices world?