I've seen this happening on a couple of accasions with stories that are uncomfortable for HN. E.g. see http://news.ycombinator.com/item?id=4160121 http://news.y

I've seen this happening on a couple of accasions with stories that are uncomfortable for HN. E.g. see http://news.ycombinator.com/item?id=4160121 http://news.ycombinator.com/item?id=4160121 It might be interesting for one of the sites that scrape HN to reverse engineer the decay factor for different type of stories and find out which stories are "disappeared" quicker.