https://www.engadget.com/2007-08-13-the-seoulllll-e-traaaaain.html
The Seoulllll e-Traaaaain!
Aug 13, 2007 - Ok, it's only a temporary gig but check out the "Sens e-train" offered to Seoul's subway jockeys over the next few days. The kids at Samsung and Korea Telecoms...
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