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A new display set up at Tokyo station makes interesting use of e-paper. Six A4 sheets of e-paper are on display for commuters in a snazzy transparent blue housing — allowing them to see how thin the e-paper is. The sheets of e-paper are being fed with the latest news stories via a wireless Internet connection and are updated with new content every five minutes. Rather cool, although to the casual observer (read: soulless, speed-walking salaryman zombie that make up most of Tokyo station's commuters) it will simply look like someone has gone to extraordinary lengths to frame today's weather report.