One reason the original "TRON" was greeted with so much hostility is that it seemed, in its cheesy synthesized way, to represent a brave new world not just of digital outer space, but of movies consumed by their own effects.

CNN: 'TRON: Legacy' makes novelty look cool

Paid-for expansion packs are also available, and represent a mix of shortcuts to in-game content (a personal space station to store spare ships, rather than part-exchanging them) and further chapters for those who have finished the story missions.

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Yet, while we all enjoy reading articles about new gizmos, electric cars, space-age wind turbines, and of course, the latest advances in photovoltaics, these advancements represent only the surface of a much larger, systemic change in the way we will soon conduct business.

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