I’ve always felt there was more one could do in the interstices between the essential ‘points of presence’ in a day and will expand more on that in the future, however this article from Lifehacker offers some sensible suggestions for ways in which we might use more productively our time on long journeys.
It contains useful links to online education sources, examples of which may be of interest to those of you considering providing some of your taught content online too.
How Can I Make a Long Plane or Car Ride Suck Less? – http://pulse.me/s/fv03o