Simply put, the model is the data (and by extension the HTML content of a website or app), the view is what you see on the screen (defined by the CSS styles of the user interface) and the controller is the logic that ties the two together (often expressed as the JavaScript or other interactive programming).

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The user chooses from a selection of artistic styles -- including cartoon, oil painting, sketch or cubist -- as to how they want to transform their photograph.

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And just as with computers, this increased user-friendliness led to a massive proliferation of styles and formats.

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For the remainder of 2012, Changyou has four new games due for launch that feature different genres and graphic styles, and are expected to draw new communities of users while expanding the user base.

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