Patent ID: 7451099

Claim:
A method for implementing an information distribution campaign for delivering advertising to end users of a data network, the data network including at least one server system, and including at least one client system associated with an end user, the method comprising: identifying keywords relating to a first information distribution campaign; determining campaign information which includes the identified keywords, the campaign information being provided by an entity other than the end user of the client system; identifying a first document, the first document including a first portion of content for display on a client system; selecting, using the campaign information, specific original content of the first portion of content of the first document to be converted to one or more links to one or more uniform resource locators (URLs), the specific original content including one or more words of text matching at least one keyword from the campaign information; performing markup operations on a first portion of specific original content to thereby convert the first portion of specific original content into a first link to a first URL, the first link including a first portion of marked up content; displaying the first link at the client system, wherein the display of the first link includes display of the first portion of marked up content; detecting an occurrence of a first event associated with a location of a cursor at the client system being positioned over a portion of the displayed first link; and automatically displaying, in response to detection of the first event, a first overlay advertising impression at the client system, the first overlay advertising impression including advertising information comprising a second portion of displayed content which is different from the first portion of displayed marked up content.