主权项 |
1. A computer-implemented method comprising:
receiving, by an advertisement serving system, a first request for an advertisement to be served to a device of a user, wherein the first request comprises an advertisement call to a compliant domain; providing, by the advertisement serving system, to the user device based on the first request (i) a first advertisement and (ii) information associated with the first advertisement for storage local to the user device; receiving, by the advertisement serving system, a second request for an advertisement to be served to the user device, wherein the second request comprises an advertisement call to the compliant domain and the information associated with the first advertisement; determining a second advertisement to serve to the user device based on the information associated with the first advertisement; and providing, by the advertisement serving system, to the user device based on the second request (i) the second advertisement and (ii) information associated with the second advertisement for storage local to the user device,
wherein information uniquely identifying the user and information uniquely identifying the user device is not stored by the advertisement serving system. |