| http://www.w3.org/ns/prov#value | - Mostly from user pressure and countless interviews asking them what they need.For example, toasters are pretty much commoditized, so what stops vendors to add all kinds of innovations to it, like a DVD player?Answer: because users do not need it.it is all about users.-- CedricThere is subtle but extremely important difference between users ??wishes?? and their ??needs??.
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