The traditional 20th century office is already at the end of its days. The way, in which an organization worked has changed, therefore it is now incorporating new spaces, as the informal areas. The office model is changing, not only for the workplaces number or size, but also for its design and the proper way to use the space. More and more companies are integrating relaxing areas, as office and entertainment areas, in the usual working space to celebrate informal meetings, in addition to work closely with other colleagues. This new office model is expanding, now it is typical finding office where the different spaces are living together.