A year ago we chaired and spoke at a conference entitled the Gigabit Train. It was a solemn affair which was mostly full of people from the train industry who were laboring under a government ruling that all UK trains should have free WiFi by the end of 2018. Everyone agreed that the result would be exceptionally poor train WiFi until the target was reached and then it would be quietly shelved as the government changed and something commercial would be put in its place. The key issues where that a) People would not pay for WiFi on trains, that much had been made clear by early experiment and that b) Backhauling it over LTE would leave train carriers hostage…