Abstract: A method, apparatus, system, and computer program product provide the ability to bid for an advertising impression. Via input from an advertising purchaser, a publisher specification is defined. The publisher specification provides impression information regarding impressions desired by the advertising purchaser. An auction is conducted by receiving one or more bids (that comply with the specification) from one or more publishers. A determination is made regarding which of the one or more publishers has provided a successful bid. The advertising purchaser is enabled to provide one or more advertisements to the one or more successful bidding publishers.

Abstract: A method, apparatus, system, and computer program product provide the ability to bid for an advertising impression. Via input from an advertising purchaser, a publisher specification is defined. The publisher specification provides impression information regarding impressions desired by the advertising purchaser. An auction is conducted by receiving one or more bids (that comply with the specification) from one or more publishers. A determination is made regarding which of the one or more publishers has provided a successful bid. The advertising purchaser is enabled to provide one or more advertisements to the one or more successful bidding publishers.

Abstract: A method, apparatus, system, and computer program product for displaying top fan status information relating to selected content in a social network. An item of content is selected in a social network application. An engagement score is determined for each of one or more first users. Each engagement score is based on interactions of each of the one or more first users with the selected item of content. A subset of the one or more first users that has interacted with the item of social content the most is identified and displayed.