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(2009) Evaluating new technologies, Dordrecht, Springer.
During a Department of Defence news briefing in February 2002, Donald Rumsfeld was confronted with the question about reports that stated that there was no evidence of a direct link between Iraq and terrorist organisations. He subsequently answered: Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns—the ones we don't know we don't know. And if one looks throughout the history of our country and other free countries, it is the latter category that tend to be the difficult ones. (Rumsfeld, 2002)
Publication details
DOI: 10.1007/978-90-481-2229-5_1
Full citation:
Sollie, P. , Düwell, M. (2009)., Evaluating new technologies: an introduction, in P. Sollie & M. Düwell (eds.), Evaluating new technologies, Dordrecht, Springer, pp. 1-8.
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