During a keynote at the Consumer Electronics Show, Mayer announced major changes to Yahoo's ad business, including the launch of a new organizational umbrella called Yahoo Advertising, and a buying platform called Yahoo Ad Manager designed as a central suite of tools for online advertisers to manage all of their buys, not just those that include Yahoo inventory.

A new study from research group Communicus suggests that the vast majority of those ads are not actually effective. "Advertising should make people buy products, or at least build purchase interest. Judged against this standard, four out of five Super Bowl XLVII commercials failed to deliver," the report from advertising research group Communicus reads. The firm says, for example, that Tide's "Miracle Stain" ad got a million and a half views on YouTube but the product-sales KPI's were null.

CVS Caremark has launched an agency creative review, which will include encumbent Arnold. The Havas company won the account after a review in 2010, taking it over from Hill Holliday. Excluding online spend, CVS spent over $115 million last year and approached $45 million in the first nine months of 2013, per Nielsen. "With the changing consumer and health care landscape, we are evaluating advertising partners to encompass our entire suite of enterprise and retail needs," a CVS representative said.

American Honda is following up last year's agency shuffle with a review of its digutal business. The automotive giant sent out an request for information this week as it preps for a review. A Honda spokesman said the move is an extension of last year's strategy to review creative and media agencies. The digital business is shared by several agencies now. Lead agency RPA handles digital for the Honda brand; Los Angeles-based Genex handles a portion of the digital work, largely for the Acura brand. Meredith Xcelerated Marketing has also handled some digital work.

Rumors have abounded about Ford Motor Co. CEO Alan Mulally mulling a job at Microsoft. Evidently that's a rumor. He will stay at Ford through at least this year. Mulally said in an interview that he wanted to end the Microsoft speculation. He wouldn't say if he had talked with the software giant.

Adidas, which is pacing a distant second to Nike when it comes to NBA feet, and which has had bad luck with a series of long-term injuries to one of its key hoops endorsers, Derrick Rose, will try to mine some new basketball gold with the signing of ex-New York Knicks and current Houston Rockets guard Jeremy Lin.

Some people will tell you that fans who attend Los Angeles Lakers games in the Staples Center are notorious for leaving early "to beat the traffic," but online ticket broker TicketCity has just released a survey that claims the Lakers have the "strongest fan base" among all teams in the NBA, NFL, MLB and NHL, based not just on attendance but strength of social media.

Morgan Spurlock gained a ton of weight in "Supersize Me," which did nothing for the chain's rep, but a high school science teacher in the Colo-Nesco School District in Colo, Iowa, has lost weight eating just McD's. He says he lost 37 pounds in 90 days, albeit by limiting his intake to 2,000 calories a day and eating the right balance. Jo Ann Hattner, a nutritional consultant at Stanford University School of Medicine said McDonald's has much improved its menu. "You have to give them some credit," she says.

A Bengals playoff game and dangerously cold temperatures added up to record sales at Kroger, where a shopping frenzy cleared shelves and clogged the checkout lines. She cited record local sales on Saturday as shoppers dug in for the Bengals game on Sunday and subzero weather incoming on Monday and Tuesday. Activity at many of the 110 Greater Cincinnati Kroger stores surpassed the crowds seen in the rushed days just before Christmas, she said. Sales numbers were not provided.

Political analyst, author and TV host Stephen Colbert will follow in the footsteps of Psy and appear in two commercials for Wonderful Pistachios during the broadcast of Super Bowl XLVIII, the brand's second foray into Big Game advertising. It will be part of a year-long alliance for Colbert under the "Get Crackin'" umbrella campaign.