User blog comment:DaNASCAT/Technical Update: May 6, 2015/@comment-5973717-20150508220049/@comment-126761-20150511190000

While certainly interesting, I think that logic could run into issues - consider a page deleted a month earlier (e.g. a spoiler, or something under an NDA - deleted to avoid problems), at what point does it become a 'valid' wanted page again?