A method for selecting a subject for a clinical study includes providing a criteria for selecting one or more subjects from a database, performing a content based similarity search of the database to retrieve subjects who meet the selection criteria, presenting the selected subjects to a user, and receiving user feedback regarding the selected subjects. When a viewer of the movie wishes to skip a portion of the movie containing the ad, the playback system determines whether the ad is static or dynamic. Also attached to the vertical frame is a strut that is also pivotally connected to the front face of the vertical frame. The customized network connection application is automatically generated utilizing the profile, and distributed to at least one recipient. When the second controller receives the signal sent from the detecting section in a power saving state in which power is supplied from the power supply to the second controller, the power saving state is changed to a power supplying state capable of image capturing by supplying power from the power supply to portions of the device including the first controller.