Going back to the visiophone ad, it is amazing how many times they tried to get the idea off the ground and it always flopped. What is so funny now is that it was unimaginable to talk and listen without holding a receiver to your face.
(An older friend once told me that in her day girls were taught to 'serve' their men. It was just how things were done. Sure enough she would totter around after her husband tending to his every whim. What is worrying is that some of the parents from that era probably taught their sons what to expect and 'how women should be'. While in reality women have moved on... )