The following reflections are based on the premise that individual and social life is open to a number of possibilities, among which we can find digitalisation.

Algae can be sustainably grown in large quantities in seas and oceans. That is the reason why many believe that in the future they will constitute an important part of food consumption in the world, and that they will alleviate world hunger.

Without growth there is no progress, but without a supporting system (a lift force), it collapses. We need the new Wright brothers of economy. Urgently, I think.

At least in villages,our great-grandparents lived almost as the Romans. To reach their standard of living, it took the whole history of civilized humanity.