Quote:
Originally Posted by darryl
He is one author who has sales through channels DG doesn't currently reach, so his sales on the report would be understated. The Bookstat website claims date coverage of 96% of US ebook purchases and 94% of US Ebook dollar sales.
The plain truth is that the fact that the data coverage is not 100% does not mean it is comprised of "made up numbers" nor that it is not fit for its purpose. 100% accurate figures are indeed not available. But 90 percent plus accurate figures are. By your reasoning a country could never rely on census data, since it is not 100% accurate. Nor could business rely on just about any industry sales report.
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This is why I've been saying that these sorts of numbers are just a guess. There are no hard numbers and the numbers given are not usually correct. Also, these numbers don't take into account sales outside the US. So this Data Guy should just bugger off and stop with his incorrect numbers.