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VGPolyglot on 11 August 2017
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librarian13579 said:
Nuvendil said:

I mean I don't like it either, but NPD is a research group that formulates these estimates so no, we don't strictly speaking generate this data.  They aren't counting every single sale individually. 

You can take the "estimate" part with a grain of salt. It's pretty much just straight sales data.

This is how it works:

1) Every month, NPD gets direct, point-of-sale transaction data from all of the major retailers and all of their online websites. That's 95% of the market.

2) Then, NPD gets direct data from another 2% of smaller retailers.

3) The remaining 3% NPD estimates with algorithms.

We as consumers collectively generate 97% of NPD's data, so I do feel like it's something we should have access to.

A long long time ago, we used to get some direct data....before a retailer / a few third-parties started complaining, that is.

Man, how I wish it was like Billboard. It'd be awesome if we had a weekly sales chart that went back to say, the 4th gen. I'd love to see the weekly #1 titles. Of course, it's way too late for that now.