I had never heard of Upcoming.org until a day ago. I had heard of Posterous, but never really used it. Why do these sites need to be saved? It appears that the

I had never heard of Upcoming.org until a day ago. I had heard of Posterous, but never really used it. Why do these sites need to be saved? It appears that they have been shutdown due to lack of widespread traction or apparent value. Sure, they are someone's "baby", and it's natural for some people to take this personal. But is there really truly anything of value in saving these sites?