Analogous to the rising and falling incidences, many offices have been filling and emptying at regular intervals since last year. Some remain completely empty. Covid-19 has been making the world more digital. Ideas that have been in the drawer for a long time have now been and are being implemented in many places. Inhibitions about new technologies and working methods are being overcome. On the other hand, we are tired of the many web conferences and would like to have some exchange of ideas in the office kitchenette. Will we fall back into the old patterns after Corona?