Contextual content targeting

A system comprising:

• one or more server computers coupled to a network;
• and
• one or more databases coupled to the one or more server computers;
• wherein the one or more server computers are for:
• determining that a user is visiting a first Web page;
• while the user is visiting the first Web page, presenting a special link to the user, wherein the special link is associated with an advertiser;
• and
• after the user clicks on, or otherwise chooses to activate, the special link, presenting a branded version of a second Web page, comprising particular content, to the user, wherein the branded version of the second Web page includes a particular advertisement of the advertiser, and wherein, if a user arrives at the second Web page via a link other than the special link, the arriving user is presented with a non-branded version of the second Web page, wherein the non-branded version of the Web page does not include the particular advertisement of the advertiser.

A computer readable medium or media containing instructions for executing a method comprising:

• using one or more computers, determining that a user is visiting a first Web page of a social networking Web site;
• using or more computers, while the user is visiting the first Web page, presenting a special link to the user, wherein the special link is associated with an advertiser and a communication to the user by the advertiser;
• and
• using one or more computers, after the user clicks on, or otherwise chooses to activate, the special link, presenting a branded version of a second Web page, comprising particular content selected by the advertiser, to the user, wherein the branded version of the second Web page includes a particular advertisement of the advertiser, and wherein, if a user arrives at the second Web page via a link other than the special link, the arriving user is presented with a non-branded version of the second Web page, wherein the non-branded version of the Web page does not include the particular advertisement of the advertiser, and comprising allowing the advertiser, as at least part of an advertisement campaign, to select the particular content as part of a selected content set, in which at least some of the content items are specific content items selected by the advertiser, as an at least partial alternative to selection of content on behalf of the advertiser based on one or more keywords, one or more topics, or other selection criteria selected by or provided by the advertiser.