I have to avoid arxiv. I see a link, I scan everything there
  _very very_ quickly to come up with "something to say about it"
  and then close it. If I allow myself to linger more than enough
  time to read whatever's available.. I don't come up for air for
  days and there's 75 tabs on physics, math and computer science
  from various places on the 'net and I have to ask, "How did I
  get here again?"

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