Add Yahoo as a preferred source to see more of our stories on Google. Crowded, hot, noisy, hectic – subway systems can test the sanity of even the most hardened urbanite, but can you imagine the world ...

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When you mention Teletext or Videotex, you probably think of the 1970s British system, the well-known system in France, or the short-lived US attempt to launch the service. Before the Internet, there ...