Its the same issue as neilson scores for TV. Statistically questionable, but hig... | Hacker News

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hayksaakian on Feb 23, 2013 | parent | context | favorite | on: How To Buy Your Way Onto The New York Times Bestse...

Its the same issue as neilson scores for TV. Statistically questionable, but highly respected.

Any competitor has less appeal.

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