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Tier II: Behavior

Building on the strengths and weakness of the three structural layers, the layers of Ofoto’s Behavior tier bring a new set of challenges. The problem of object selection is a conspicuous aspect of the Viewing and Navigation layer, as are the technical and design concerns related to photo editing in the Editing and Manipulation layer. In addition, the User Assistance layer carries the burden of educating a mass consumer audience about the capabilities and limitations of digital photography in general and a photo-based Web application in particular.

Layer 4: Viewing and Navigation

Except for the Address Book, the viewable data stored in Ofoto consists of albums and photos, both image-based objects. As a result, Ofoto’s Viewing and Navigation layer is thin, especially compared to Web applications that deal exclusively with text-based data.


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