Methods and systems for impression inventory trading

A system comprising:

• one or more computers programmed to perform operations comprising:
• providing to a seller a first user interface screen comprising a listing of a plurality of targeting attributes and a respective user interface control for each targeting attribute visually indicating whether the targeting attribute is hidden or visible to a potential impression inventory buyer;
• providing to one or more potential impression inventory buyers a second user interface screen comprising a visual depiction of an impression inventory specification and visible targeting attributes associated therewith, the second user interface screen further comprising an indication of how each buyer of the potential impression inventory buyers ranks against the other potential impression inventory buyers in terms of access to a supply of inventory;
• receiving from a first one of the potential impression inventory buyers a proposed modification to one or more terms of the impression inventory specification, the terms comprising a minimum price floor for bidding auctions to serve impressions on an impression inventory;
• providing to the seller a third user interface screen comprising a visual depiction of the impression inventory specification with a visual identification of the proposed modification to one or more of the terms;
• receiving in response to the proposed modification via a first one of the user interface controls of the first user interface screen a change in status of a first one of the targeting attributes from hidden to visible, the first targeting attribute comprising one or more web domains;
• and
• providing an application programming interface (API) including an activity stream API configured to receive messages for broadcast to the seller and the potential impression inventory buyers within the first user interface screen, the second user interface screen, the third user interface screen, or any combination thereof.

A non-transitory computer storage medium comprising instructions that, when executed by at least one processor, facilitate a performance of operations, the operations comprising:

• providing to a seller a first user interface screen comprising a listing of a plurality of targeting attributes and a respective user interface control for each targeting attribute visually indicating whether the targeting attribute is hidden or visible to a potential impression inventory buyer;
• providing to one or more potential impression inventory buyers a second user interface screen comprising a visual depiction of an impression inventory specification and visible targeting attributes associated therewith, the second user interface screen further comprising an indication of how each buyer of the potential impression inventory buyers ranks against the other potential impression inventory buyers in terms of access to a supply of inventory;
• receiving from a first one of the potential impression inventory buyers a proposed modification to one or more terms of the impression inventory specification, the terms comprising a minimum price floor for bidding auctions to serve impressions on an impression inventory;
• providing to the seller a third user interface screen comprising a visual depiction of the impression inventory specification with a visual identification of the proposed modification to one or more of the terms;
• and
• receiving in response to the proposed modification via a first one of the user interface controls of the first user interface screen a change in status of a first one of the targeting attributes from hidden to visible.