These days when I travel on a train I can work efficiently, play computer games, Skype my family or watch a movie - the personal cost of a slow train compared t

These days when I travel on a train I can work efficiently, play computer games, Skype my family or watch a movie - the personal cost of a slow train compared to a fast train isn't as high as it used to be. So maybe technology has reduced the economic benefit of a bullet-train network.