3. Citizens and "3D" users

One might think that technology leaves citizens untouched in their way of being, new activity being "just" mediated by new powers, new opportunities that 3D machines can offer ("Promethean optimism" according to Kundera . Indeed, we are experiencing an unprecedented acceleration in the capacity for technological disruption and large-scale action, what this author calls the "superabundance of opportunities". This ultra-connected world, which is taking shape and growing stronger every day, now belongs to engineers, to some extent to scientists, and above all to entrepreneurs, who will be able to exploit this formidable installed base to invent new applications and promote them, new business models based on an almost...