" In the past many supermodels were female. However today more and more male models are also becoming famous . The position of the world's most famous and highest paid male supermodel is currently contested between Jamaican-American actor and model Tyson Beckford, and Swedish model and bodybuilder Marcus Schenkenberg. In 2005, tired of hearing this label attached to so many people, the musician LeCain, played devil's advocate and commented that a 'measure of success' was necessary to stop TV from tirelessly using the term for every girl wanting model stardom. And threw into the equation that a supermodel was someone that had attained US Dollars 20 million (USD) in the duration of their career. A model is a person who acts as a human prop for purposes of art, fashion, advertising, pornography, etc. Modeling is distinguished from other types of public performance, such as an acting, dancing or mime artistry, although the boundary is probably not well defined. Plastic Helicopter Model Appearing in a movie or a play is generally not considered to be modeling, irrespective of the nature of the role. But many models can also describe themselves as actors. "

", user presses a button) A controller contains the input part of the user interface. The controller accesses the model, possibly updating it in a way appropriate to the user's action (e. g. , controller updates user's shopping cart) A view uses the model to generate an appropriate user interface (e. g. , view produces a screen listing the shopping cart contents). The view gets its own data from the model (or direct from the data access layer - sometimes there is no domain logic to do). Discount Plastic Model The model should have no direct knowledge of the view. However, the observer pattern can be used to provide some indirection between model and view, allowing the model to notify interested parties of a change. "