Tony Bryer wrote
Harry wrote

They were the playthings of the relatively wealthy in the 1950s.
It was not until the 1960s that all theses appliances became
commonplace.

I think this is one of the extraordinary changes in recent times -
first mass production cars start of 20C; in my 1960s junior school
class only a handful of children came from car-owning families.

Fark, cant remember any of mine from the 50s that didn't.

Colour TV, video, mobile phones, broadband have gone from
being technically exotic to mainstream within a decade or so.

Lot longer than that with the first few.