Few years after, how people in 1947 saw the futureBTW the first link refers to INA, "Since its creation in 1974 Ina has been carrying out the conservation, research and training which has made it a precursor and world leader in archiving, digitisation, and safeguarding of audiovisual assets, as well as the technological innovation relating to these two domains." You might find some interesting documents if you're familiar with French language.http://www.ina-entreprise.com/to-know-ina/index.html http://www.ina.fr/media/television/dossier/1421/ina-images-that-speak-to-you.20090331.fr.html
They've actually had jet packs for many decades but they have yet to become practical (and affordable?) on any scale. Not that long ago I saw a clip of a military demonstration of a jet pack for President Kennedy. Some technologies seem to have bright futures, but for one reason or another they don't really catch on.