It is the first time the three sites will all run ads for the same sole advertiser on the same day, said Caroline Little, chief executive and publisher at Washingtonpost.
He was the mascot that acted as the creator and sole advertiser for the cereal.
Southern Style ceased publication when the Procter & Gamble Company, its sole advertiser, did not renew its contract.
One magical day, it found bliss when it agreed to develop a magazine for Nissan in which the car maker was the sole advertiser.
The sign's sole advertiser, the cable network A&E, removed its ad after a few days, citing complaints about the bright screen, said Gary Morgenstein, a spokesman.
The Gerard Butler/Shakira episode is the first time that a sole advertiser (Anheiser-Busch's Bud Light Golden Wheat) bought all national ad time.
Under the contract, Chrysler, a unit of DaimlerChrysler, sponsors a feature called Road Trips on the television show and is the sole advertiser for a magazine section with the same name.
The ads are to arrive not long after a competitor of New York's, The New Yorker, generated attention with an issue that had the discount retailer Target as its sole advertiser.
Yesterday, for example, visitors could select either Better Homes and Gardens, Orchard Bank MasterCard or Windows Live Search to be the sole advertiser in the first game they played.
Enter the Absolut Spirits Company, seller of Absolut vodka, which agreed to be the sole advertiser in the pullout.