23. in the words of Donald Rumsfeld Department of Defence news briefing, February 12, 2002 “ 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.”
24. knowns and unknowns technological? cultural? unknown unknowns impact of Web 2.0 (quality and trust) direction of e-learning (VLE vs. PLE) globalisation: communities to networks next generation learners known unknowns institutional barriers pedagogy current student competencies staff competencies known knowns