Retail design the middle of town. The first shopping centre in the Netherlands was built in the 1950s, as retail design ideas began spreading east. The next evolution of retail design was the creation of the boutique in the 1960s, which emphasized retail design run by individuals. Some of the earliest examples of boutiques are the Biba boutique created by Barbara Hulanicki and the Habitat line of stores made by Terence Conran. The rise of the boutique was followed, in the next two decades, with an overall increase in consumer spending across the developed world. This rise made retail design shift to
Biba Model Bell–LaPadula model. In general, preservation of data "integrity" has three goals: This security model is directed toward data "integrity" (rather than "confidentiality") and is characterized by the phrase: "read up, write down". This is in contrast to the Bell-LaPadula model which is characterized by the phrase "read down, write up". In the Biba model, users can only "create content at or below" their own integrity level (a monk may write a prayer book that can be read by commoners, but not one to be read by a high priest). Conversely, users can only "view content at or above" their own