^ Yes, a lot of those old predictions missed the mark by quite a lot, and who could possibly have imagined that technological marvel, the selfie stick!
Mind you, H.G.Wells scored a real hit in 1899, when he wrote about two men who " walked straight to the dead end of the apartment... and then came a strange thing: a long strip of this apparently solid wall rolled up with a snap, hung over the two retreating men and fell again." The first ever automatic door! This was such a futuristic must-have that they were later installed throughout the starship
Enterprise, and now people walk through them unthinkingly at their local supermarket.