waderoush writes "Critics are eating up everything about Amazon's Kindle 2 e-book reader except its $359 price tag. But if you think that's expensive, take a look behind the Kindle at E Ink, the Cambridge, MA, company that has spent $150 million since 1997 developing the electronic paper display that is the Kindle's coolest feature. In the company's first interview since the Kindle 2 came out, E Ink CEO Russ Wilcox says it took far longer than expected to make the microcapsule-based e-paper film not only legible, but durable and manufacturable. Now that the Kindle 2 is finally getting readers to take e-books seriously, however, Wilcox says he sees a profitable future in which many book, magazine, and newspaper publishers will turn to e-paper, if only to save money on printing and delivery. (Silicon Alley Insider recently calculated that the New York Times could save more than $300 million a year by shutting down its presses and buying every subscriber a Kindle). 'What we've got here is a technology that could be saving the world $80 billion a year,' Wilcox says."
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