In the interview with Paolo De Natale in the Smart City program of Radio 24 we talk about smart working and holography. Teleconferencing is the undisputed protagonist among technologies: if only the pandemic had hit us 10 years ago, we would not have had it available. At the same time, teleconferencing is not yet comparable to a face-to-face meeting or face-to-face lecture, but it could come very close a decade from now thanks to some recent breakthroughs in holography.