1. A method for targeting delivery of advertising content to a population of consumers across one or more slots in television programming, the method comprising: receiving a pricepoint and one or more campaign descriptions from an advertiser, wherein each of the campaign descriptions comprises a schedule for delivery of an item of advertising content across one or more televisions accessed by a consumer in the population of consumers, and a target audience, wherein the target audience is defined by one or more demographic factors; defining a pool of consumers based on a graph of consumer properties, wherein the graph contains information about two or more TV and mobile devices used by each consumer, demographic and online behavioral data on each consumer, and similarities between pairs of consumers, and wherein the pool of consumers comprises consumers having at least a threshold similarity to a member of the target audience; receiving a list of inventory from one or more content providers, wherein the list of inventory comprises one or more TV slots; identifying one or more advertising targets, wherein each of the one or more advertising targets comprises one or more TV slots that are to be delivered within TV content identified as likely to be viewed by the pool of consumers, consistent with one or more of the campaign descriptions, and an overall cost consistent with the pricepoint; bidding on one or more of the TV slots in an advertising target; and if the bidding results in a success or a hold, instructing a media conduit to deliver the item of advertising content within the one or more TV slots to a consumer in the population of consumers on a television.