You may want to be careful in saying this. It's generally frowned upon for people to compare HN to reddit or Digg without ample justification (which a single duplicate submission isn't).
Understood. The specific aspect of Digg that I am comparing recent trends to is that of submission of duplicate articles, and the inevitable notification thereof by other users.
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[ 4.8 ms ] story [ 21.8 ms ] threadA small example: http://www.google.com/search?hl=en&q=site:http://news.yc...