If in the past, “ office workers ” literally meant working in an office, today this expression is much more open than it seems. Indeed, Open Space appeared in the 1960s, thanks to the invention of Robert Probst’s modular offices. Afterwards, first tested in the United States, the concept was a real success and subsequently became established worldwide.   What is Open Space? Open Space is originally a “physical” concept, i.e. a concept where the type of furniture and layout