They predicted flying cars - Hasn't happened.
They predicted a leisure society - We're still waiting and oh how we wish.
They predicted the internet. Yep, they did.
Here's a 1969 video on future technology. I particularly love the "wife will buy and husband will pay" thing. And the "keyboard"... Retro indeed.
Poached from the blog of Steve Proulx on Voir (in French)