Is Elon Musk's tube travel at 4,000 mph a pipe dream or the next big thing?
Skift Take
Game changer? No, world changer. Is it workable? Who knows. But it's nice to dream.
Traveling across the country or the world via any modern mode of transportation is a time-consuming affair. It can also be really annoying with the long lines, crying babies, armrest hogs, cramped spa
