Quote:
Originally Posted by SensualPoet
IDC is not "an article", it is a research house and they have access to all sorts of confidential data on a privileged basis, including sales figures, which they aggregate and massage for reports like these. IDC does not engage in "pure guesswork" but uses statistical analysis of its data gathering to arrive at realistic estimates of various markets.
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If Sony, Amazon, & B&N wanted sales figures out there, they'd put them out there. So how do we know these numbers are actually correct? Are Amazon, B&N, & Sony telling IDC sales figures?