MillerCoors is cutting ties with its longtime lead creative agency, Interpublic Group of Cos.' DraftFCB. As part of the shift, Publicis Groupe's Razorfish has lost creative and digital-media duties. Digital and creative for Coors brands will move to a new multiagency group at WPP. For the Miller Lite brand, the brewer will use Saatchi & Saatchi as lead creative shop. But Digitas keeps Miller Lite digital-creative and digital-media duties.

Here's one way to deal with the exorbitant price of crude-oil based fuel: screw the oil majors and buy your own refinery. That's what Delta Airlines has, apparently, done. The airline will buy a Pennsylvania oil refinery from ConocoPhillips for $180 million, to save money on fuel costs by investing in a downstream sector that oil majors avoid. Atlanta-based Delta said the first-ever purchase of a refinery by an airline would allow it to cut $300 million annually from jet fuel costs, which reached $12 billion last year. It said production at the refinery along with other agreements to exchange …

If you're in New York and looking to give it to the Man, or even if you want to learn a few guitar licks, here's a list of OWS May 1 events. Occupy Wall Street plans an entire day of protests in honor of May Day, which celebrates the working class in many countries. City officials and financial firms are already on high alert and also planning on how to operate around this day of protest that could shut down the city.

Pampers Cruisers/Swaddlers with Dry Max brought in the most revenue of any new product in 2011 with $296 million in year-one sales across food, drug and mass channels (excluding Wal-Mart), according to SymphonyIRI Group. The score places it within the top five new product introductions of the past 15 years. P.F. Chang's Home Menu was the top-selling food or beverage with $101.6 million in sales.

Blogger Jonathan Gardner mulls major mobile trends that marketers will ignore at their peril as we foray deeper into Web 3.something: with advances in augmented reality, every pane of glass will be (expected to be?) a portal of some kind; biotech is becoming a confluence of data devices channeling physiological data, e.g., FitBit and Nike's FuelBand API. Then there's consumer-controlled media, wherein people will create their own content, multi-platform marketing and "innovation without borders."

Chrysler Group LLC CEO Sergio Marchionne confirmed that he and up to 70 workers will set up a downtown Detroit office in a building that will be renamed the Chrysler House. The office inside the former Dime Building, on Griswold, marks the first office presence in Detroit for the automaker. Later Monday, Chrysler agreed to be a $3 million sponsor for the planned light-rail system linking downtown with the New Center area.

Walmart, Target, Kmart and Kohl's are all celebrating their 50th anniversary this year. Three of the four began as department store offshoots: Target from Minnesota's Dayton's and Kmart from Detroit-based S.S. Kresge. Both were developed as formats to reach shoppers beyond their core businesses. Kohl's started as a department store when the Wisconsin-based supermarket chain branched out into a new format from the Kohl family. Only Walmart started organically. Sam Walton sold low-cost goods to people well outside the trading areas of most retailers. Kmart grew the fastest, and fell first. In its first three years, it had 150 locations …