Magic and technology.
Sci fi writer David Brin looks at J.R.R. Tolkien’s Lord of the Rings [http://www.salon.com/ent/feature/2002/12/17/tolkien_brin/index.html?x]through the lens of Romanticism vs. the Enlightenment, nostalgia vs. optimism. And Jakob Nielsen looks at computer tech through the lens of Harry Potter.
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