Originally Posted by
jib71
(Tsukuba Express is the only train I know with wireless hotspots -- and they've been free to anyone who signs up as a monitor. But it would be less than productive for you to do that since it would get you nowhere near your destination).
Don't knock that idea. My friend Spear, many moons ago (when everybody in Japan smoked like chimneys) would ride the Chiyoda line up and down from endpoint to endpoint because that's where he could read a book in a smoke-free environment.