I believe secretaries are largely gone already. So...
I would add we'll see "peak travel" will occur within 25 years. Virtual reality will be so good and cheap that only the wealthy will be able to move their bodies from place to place.
2 car families will become 1 car families as autonomous on-demand local travel and work from home will eliminate the need for a second, or even a first car.
Apple needs to upgrades eyeglasses like they did the watch.