vivster said:
Genuine question.
Having shipped numbers is easy but how do they obtain info about the actual number of sold units?
Do retailers report back to them? Are they actively polling? Are they using established market research firms? Are they just taking the shipped numbers to retailers from before the last ordered shipment? Do they have their own big net of market researchers around the world?
We regard the numbers companies give us as the most reliable. But how can we be sure that they're not just pulling these out of their ass?
Or worse, using insiderp.
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I can tell you that 15 years ago when I ran a number of Best Buy stores, I could tell you how many PS2's sold on any given day at the company and how many were instock company wide.
That was 15 years ago. I would find it hard top believe that by now, almost every retailer has some level of electronic inventory. So, getting the totals for atleast months end if not weekly/daily should not be too hard.