File Under: All good ideas have already been thought up

While discussing the ramifications of social networking pages that have been vacated due to the death of their progenitors, it dawned on me that there could be a social network for dead people. Not an online cemetary (which has been done to death) but an actual network, ostensibly kept up by the living, perhaps on behalf of the dead. But, why bother when the dead people can do all of the networking themselves:
Social Networking for Dead People: An idea refined - The Bing Blog