A method implemented by a network entity that comprises identifying contact information associated with a previously-originated call, receiving from a user information indicative of a desired modification to a database associated with the user, wherein the desired modification involves the contact information associated with the previously-originated call. The biasing scheme provides for setting a resistance path in a preamplifier, which is operative to energize the associated device, based on a biasing current that is to be used with associated device. Compositions comprising pancreatic islet cells and methods of using them are also provided. The iterative approach, in one embodiment, comprises: fixing tags and propagating image tag likelihood values from labeled images to unlabeled images, and fixing images and propagating image tag likelihood based on tag correlation. An exchange of data with the transponder and weighing system enable automatic adjustment of the weighing system for a specified product type andor sorting of the product based on comparisons of the actual weight value with a target weight value. The flip panel is movably mounted on the main body and is configured to rotate to open and close about a side edge portion of the flip panel.