I'm only 38 and remember having to carry a spare 20p for the phone box in case I needed to call my parents for a lift, and having to go round to my friends' houses to see whether they could come out to play.

In 40 years' time: "Remember when we had to carry a smartphone around and type or dictate what we needed, and actually look at the screen? It's so much easier nowadays that we can subvocalise and view the image projected onto our retinas by our brain implants...".