Wasn't Papert talking about this stuff in the 1960s and 70s? It seems a little arrogant to celebrate the 10th anniversary of something published in 2006 without reference to the preceeding 50 years.
Just as there are thing incomprehensible without at understanding of at least the principles of algebra and calculus, there are things that are incomprehensible (magic) without an understanding of what computation entails.
But why.<p>Children need to learn CS concepts in order to use a computer about the same amount they need to learn mechanical engineering in order to ride on the school bus.