Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for identifying an auction element comprising one or more placement groups, ranking a plurality of advertising elements that each advertising element comprises an advertiser, one or more user target areas, one or more campaigns, and one or more creative elements, submitting top-ranked advertising elements for selection in auctions for the auction element, selecting, from the submitted top-ranked advertising elements, one or more advertising elements each having at least one success event for a specified number of impressions from the auctions for the auction element, and generating delivery allocation for the creative elements of the selected advertising elements.

Abstract: An apparatus for storing, displaying and recalling data, includes a display field for displaying data, a memory for storing said data, a keypad for entering the data into the memory, and a field button associated with the display field for initiating entry of the data into the apparatus. The field button is adjacent to the display field. A recall button for recalling stored data and for causing the recalled stored data to appear on the display field is also provided adjacent to the display field.