AMSTERDAM (Reuters) - In Neal Stephenson's sci-fi novel "The Diamond Age," a young girl's companion is a book with amazing qualities -- it talks, and the words magically change with the story A decade after Stephenson's book was published, what was once labeled science fiction is finding its way to the real-world market. "Electronic paper" is a display technology that makes possible flexible or even rollable displays which, unlike current computer screens, can be read in bright sunlight. But, much like when LCD displays came to the market, consumers are first likely to see the technology in clocks and watches....