Two recent observations:
1) Samsung is getting ready to announce a foldable phone. Folded, it's the size of a phone; unfolded, it's the size of a tablet. What will the airlines do then?
2) I have it on good authority that millennials are increasingly ignoring the "phones off" rule and texting happily away once they get in range of a cell tower. This has of course caused several crashe-- er, wait.