"Google Wave. It was supposed to replace email with a more collaborative approach. Essentially it was like a dynamically-created discussion board you'd share with select people and you could have a more readable discussion than one with a bunch of forwards and CCs and the like.
I thought it was a good idea, but it flopped big time and Google got rid of it after a few years."
" Zune"
"The virtual boy"
"Quadraphonic entertainment systems in the early 1970s, were supposed to replace stereophonic systems. Now they are chiefly remembered for inspiring the name of The Who's second rock opera."
"The Sabre Triangle Tablet"
Wrong on all counts.
They never said it was... just that the car blowing up was reminsent of the mental image of the Hendenburg. Plus, hydrogen provided upward momentum, meaning it is a source of power.
Wind power replacing fossil fuels
Gravity batteries
Global cooling
Global warming
"Unity"
Judging people by the content of their character instead of the color of their skin.
Along those lines - Blockbuster.
Wine Coolers, the White Claw of Generation X