| http://www.w3.org/ns/prov#value | - Daniel Altman / @altmandaniel: @Neil_Irwin I think Amazon's answer is ???we know better, and we will not give publishers the data that would let them make the same decisions???Mathew Ingram / @mathewi: .@mollywood @fmanjoo: retailers set the price for all kinds of things, based on demand ??? why not books?Dan Gillmor / @dangillmor: @mollywood seems to me we need more competition ??? marketplaces, not
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