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This could equally well have been categorised under assessment (http://www.scoop.it/t/assessment-by-peter-twining).
Knowing what works will become more important than knowing why it works - though we will still need theory. This has massive implications for research (as well as practice).
I have to say that the notion that the challenge to privacy of big data is more like 'Minority Report' than '1984' is somewhat terrifying!