Killer Microsoft calendar sharing tech is MIA

As I noted earlier today here, Microsoft has published the final 1.0 spec for what is now FeedSync, and what used to be called Simple Sharing Extensions. But what's striking visiting the FeedSync site is how it makes no mention of what had been SSE's killer app, calendar synchronization. Don't believe that it was touted as a killer app? Check this eWeek story from two years ago.