Universal cross-channel audience addressability

A system comprising:

• a memory;
• and
• a processing device operatively coupled to the memory, the processing device to:
• receive a call from a content landing page requesting a creative for display on the content landing page, wherein the call comprises an identifier of an email recipient and targeting data associated with the recipient, the identifier and targeting data having been passed from an email to the content landing page upon selection of a content link in the email by the recipient and identified from the content landing page;
• select a creative from an advertiser, wherein the creative is targeted to the recipient of the email who is identified by the received identifier and targeting data;
• and
• serve the selected creative targeting the email recipient for display on the content landing page.

A non-transitory computer-readable storage medium storing instructions which, when executed, cause a processing device to perform operations comprising:

• receiving a call from a content landing page requesting a creative for display on the content landing page, wherein the call comprises an identifier of an email recipient and targeting data associated with the recipient, the identifier and targeting data having been passed from an email to the content landing page upon selection of a content link in the email by the recipient and identified from the content landing page;
• selecting, by the processing device, a creative from an advertiser, wherein the creative is targeted to the recipient of the email who is identified by the received identifier and targeting data;
• and
• serving the selected creative targeting the email recipient for display on the content landing page.