On Thursday, the Supreme Court ruled that California retailers who ask for customer ZIP codes during credit card purchases are breaking the law and are liable to a $1,000 fine. What businesses can still do is request ZIP codes when selling and shipping products online. Additionally, service stations can still require customers to enter their ZIP codes when buying gas with a credit card, information that goes directly to a bank to verify the card number. And store clerks can still ask cash customers for information about where they live.

Brands turning to social media for V-Day include Mattel, Victoria's Secret and CBS. Mattel's effort is an attempt to get consumers to use Facebook and Twitter to vote on whether Ken should get back together with Barbie. Victoria's Secret is doing viral e-Valentines and CBS, to promote "Mad Love," has a virtual gift app on Facebook that lets users send virtual hearts with a "Mad 4U" message.

Jim Farley, CMO at Ford, told the audience at this week's Chicago Auto Show that the only media that grew in 2009 and 2010 were online and mobile, and therefore Ford will change how it reaches out to consumers. "With 500 million people on Facebook, we can reach more potential customers in a more personal way," he said.

The Rupert Murdoch-owned paper went to Madison Avenue to get opinions about whether the liberal position for which The Huffington Post is known will "taint the broader AOL brand." Said Catherine Warburton, EVP of national buying for Interpublic Group's Universal McCann, "All advertisers aren't open to all things." "One of the first questions we have is, 'Does this change the editorial style of AOL?' That is something to watch for," said Christian Juhl, a president at the Publicis Groupe SA digital marketing firm Razorfish. "If that were to become the full voice of AOL editorial, then I think, …

Nokia Corp.'s new strategic partnership with Microsoft means the former will adopt Windows Phone as its smartphone platform. Additionally, Microsoft's Bing will be Nokia's search platform across all devices, and Nokia Maps could become part of Microsoft's mapping platform. Microsoft will put Nokia's app store Ovi in its Microsoft Marketplace.

The American Beverage Association says labels are moving to the front of packaging as part of an industry initiative, "Clear on Calories." The changes would include labeling total calories per container on all beverages 20 fluid ounces or smaller. Companies in the alliance promoting the new standard include Coca-Cola, PepsiCo, Dr Pepper Snapple Group, Sunny delight, Nestle Waters NA, Cott Beverages and Honest Tea.

General Motors' Buick division will be presenting sponsor of the March Madness postgame on TruTV and TBS. "Inside March Madness Presented by Buick" includes 13 half-hour installments starting March 15. AT&T returns as the presenting sponsor of the half-time show, "AT&T at the Half."

The Chrysler spot during the Super Bowl was a huge hit, partly because it featured Detroit native Eminem driving a 200 around the city. Now Chrysler chief Olivier Francois is meeting with Eminem today. Francois said the idea of using him again might be raise, but "It has to be relevant." "I will never engage with a celebrity just to have him a commercial," he said.

Procter & Gamble has provided 3 billion liters of clean drinking water in the developing world as part of its Children's Safe Drinking Water Program. The three billionth liter went to a family in Rwanda. P&G recently announced a goal to provide more than two billion liters every year in order to save an estimated one life every hour by the year 2020.

HP this week unveiled the TouchPad, set for sale this summer. The device is designed to integrate with social media platforms like Facebook, Skype and Twitter. It is one of three products that run on Palm's webOS. Jon Rubinstein, SVP and general manager at HP said the new products are based on the idea that "one size doesn't fit all." The other products include Pre 3, an update to the Pre smart phone and HP Veer, a credit-card sized full-featured smart phone.