In January 2020, Patrick Teuffel implemented the X-Day internally and reacted constructively to the cultural change of workplaces with a new work time model.
Each employee is given a certain number of hours per month that can be used freely. How the X-Day exactly looks like is to be seen in the following online conversation X-Day between Martin Prösler from Prösler Kommunikationand Prof. Dr.-Ing Patrick Teuffel.