| http://www.w3.org/ns/prov#value | - Yes, pre-order numbers at brick-and-mortar retailers generally aren???t a good signaling mechanism, because most people don???t pre-order through them. iTunes and Amazon are the most likely sites for pre-orders, especially given P2???s genre. (Target is a wrinkle because exclusive versions sold there do seem to get some extra promotion, but I don???t have good stats on how much of that prompts pre
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