Nielsen Bookscan collect that data but you have to licence it, alternatively you... | Hacker News

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		ig1 on July 4, 2010 \| parent \| context \| favorite \| on: Ask HN: What data set would you like to see/use, b... Nielsen Bookscan collect that data but you have to licence it, alternatively you could get the data from amazon.

jeromec on July 4, 2010 [–]

Thanks for the tip about Bookscan! According to Wikipedia BookScan's US Consumer Market Panel currently covers approximately 75% of retail sales. That's pretty wide coverage, which is just what I had in mind. Amazon had occurred to me, but I didn't think they would have a large enough percent of total sales.

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