A method and system for detecting at least an advertising attractive area within a multimedia content element over which an advertisement item can be displayed. A mechanism sets up access control data in the nodes that describes a number of security classes. One or more cameras can capture image information, which can be analyzed to attempt to determine the location andor orientation of the finger. The semiconductor optical amplifier amplifies the light under the control of a control signal related to an optical signal of a first wavelength. The client viewer receives the image data and scales the image data to the requested resolution prior to displaying the image data. Some embodiments further utilize collaborative filtering to augment event-based product recommendations.