Remarketing content to a user
US9514446B1 Patents
Methods, systems, and apparatus, including computer pro grams encoded on a computer-readable storage medium, and including a method for selecting content. The method com prises anonymously linking plural identifiers, each associ ated with a user and specific requesting source. Anony mously linking includes linking at least two different identifiers associated with two different requesting sources used to access content, and linking the two different iden tifiers using an identifier not including any personally iden tifiable information. The method further comprises identi fying a user list ass
14 claims. 117,909 characters of text.