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birdy1976: RT @NicoleBittel: @andy_hediger: eduhub days 2012… critical thinking is the core of development… ;-)… I like 🙂 http://t.co/2a4u99VD
birdy1976: RT @NicoleBittel: @andy_hediger: eduhub days 2012… critical thinking is the core of development… ;-)..