Medicine will have made such progress (especially thanks to AI) that people will live on average 130 years, and especially in good physical and mental health. There will no longer be as today a period of training (school, college, ...), work and retirement, but a unique period that will allow to enjoy life also during the usually laborious period. Training will be ongoing and both children, youth and seniors will be invited to engage in an activity that matches their age and provides value to the community. We will own much less object (home, second residence, car, bicycle, jewelry, ...), but we will rent what suits, where it suits and for the desired duration. The services will expand considerably because it will be necessary to constantly recondition and clean what passes from hand to hand. Everything manufactured will be designed to be durable, modifiable, upgradable, repairable and recyclable. And of course maintained easily. A connected and unfoldable watch will allow us to do everything (get in touch with the whole world, watch without limits, record, play, manage (including his accounts and his health), ... and will automatically translate all the languages of the planet and maybe also the extra-terrestrial languages. The weaker ones will be automatically supported. There will be no more war and AI will be able to avoid most accidents We can decide without restriction where we live and change easily, for a few hours, a few days or a few years.