This AP story discusses Sen. Reid’s internet ads.

Reid’s ads appear as a series of sponsored links on the search engine. When a Nevada user searches for some selected key topics — Harry Reid, campaign or gun, for example — the ads appear on the right-hand side of the screen, a column designated for paid content.

But unlike most other sponsored links, Reid’s ads link to a third-party, typically a newspaper that has posted a favorable story about the senator. And they carry no disclaimer or indication that they are paid for by the Reid campaign.