There is no need to build longer runways, although airports have had to spend heavily to make space for the plane's wingspan at departure and arrival gates which must also be modified to allow upper-deck passengers on and off.
Despite never running out of charge, I now understand the car's real-world range (worst case: about 210 miles with three passengers plus camera gear, driving on and off the highway on a below-freezing day) and, rather than getting stranded by the road, I spent four productive days with the car getting a solid feel for it.
Land-based itineraries also go off the beaten path that is well tread by cruise passengers on shore excursions, to see less-visited and more pristine areas.
At the moment some peak time services have empty seats on them while the first off-peak train is extremely over-crowded as passengers wait for the cheaper fares.
Passengers will be able to leap on and off the city's 500-odd old-fashioned buses at least until a European directive on accessibility comes into force in (gasp) 2016.
Turns out 3% of our respondents (from a sample of 1, 933 passengers who completed the poll last week) say they leave their devices on during take-off and landing.