Oh, dual authentication drives me crazy! With two academics at home, now whenever the phone rings, there is a general call out - is that you? Best is getting email on cell phone and the dual sends the request to the cell phone in one's hand.
Guess it keeps the IT dept going...
We're mostly google at my Uni so kids have no idea how to save a file because google auto-safes. Before a computer exam, in which their answers need to be in Word, NOT a shared google doc, I had to have a mini lecture on saving files!