And what, do away entirely with reviving old topics? I thought it was rather poignant to consider the old news article about Geocities' acquisition by Yahoo whe

And what, do away entirely with reviving old topics? I thought it was rather poignant to consider the old news article about Geocities' acquisition by Yahoo when Tumblr was recently acquired. Who knows what links submitted recently will still be interesting in several years? There is value in allowing duplicates.