NEW YORK (AdAge.com) -- Although they get all the press, phones aren't actually the only devices that make up our rapidly expanding world of mobile communications. Laptops and portable game consoles are also being widely used by on-the-go consumers. And companies like Yahoo and Google are paying close attention to that. Both sponsored expansive free wifi services for the holidays. Yahoo's blanketed Times Square, while Google's took to the airports and skies beyond.

NEW YORK (AdAge.com) -- Are marketing and media giants ignoring the fact that their primary communications channels are based on environmentally "toxic" pixels? And are some of these companies engaging in "tree washing" or "gray washing" as well as "green washing?" These intriguing issues were at the center of this week's Sustainable Media Climate Symposium in Manhattan. Don Carli, director of the Institute for Sustainable Communication, enlightened many by quantifying how the carbon footprint of electric-powered digital media is nearly as large and environmentally onerous as that of the notorious paper-making industry.

NEW YORK (AdAge.com) -- Adversity, a program that educates minority students about opportunities in the advertising business, had what seemed like a tight partnership with The One Club. And, the group and its director, Julius Dunn, were well liked throughout Manhattan's advertising community. In fact, in October, JWT held a party for Adversity in the agency's New York headquarters office. But shortly after that, The One Club suddenly announced that it was ending its partnership with the group. In this nine-minute video interview, Mr. Dunn discusses that split.

NEW YORK (AdAge.com) -- Although still widely thought of as just a food marketing giant, Kraft Foods is ratcheting up its already-substantial activities as a serious magazine and web content publisher. Its innovative moves in this area are one of the reasons that VP for Global Media Services Mark Stewart was honored as an Ad Age Media Maven this year. In his remarks at Wednesday's ceremony, he underscored Kraft's determination to do even more of what it formerly depended on traditional magazine publishers to do.

NEW YORK (AdAge.com) -- While no chief marketing officer has an easy job these days, few face as challenging a task as Jeffrey Hayzlett. He's CMO at Kodak, a company that has suffered one of the century's most stunning implosions. With its product lines decimated by the digital revolution, the film and camera equipment marketer that employed 145,000 people in 1988 now has less than 20,000. Hayzlett's job is to market the crippled giant back to technological relevance. And he's as much a cheerleader as he is a formidable stage presence in that effort. This video is an excerpt of one of his latest performances.

NEW YORK (AdAge.com) -- Can you imagine a business card or a print magazine page that can actually send an e-mail or facilitate the transaction of an online sale? Those are concepts that Livescribe CEO Jim Marggraff is working on. The Company's Pulse Smartpen -- which is a real pen containing a full-powered, internet-accessing computer -- is a tool that makes such actions conveniently possible. And the growing popularity of the under-$200 device among college students is creating a significant national audience for new sorts of print-based digital experiences.

NEW YORK (AdAge.com) -- Even as his advertising offensive against arch-rival AT&T continues to be the talk of the industry, Verizon CMO John Stratton took to the podium to explain why the "Maps" campaign was necessary. In this seven-minute video, he recaps Verizon's entire nine-year marketing history. In it latest move, the company abruptly threw out its prepared holiday ad campaign to replace it with the results of a data survey it commissioned of its own and AT&T's national G3 footprint.

NEW YORK (AdAge.com) -- Social media is playing a major role in accelerating the decision cycle of consumers who patronize ski resorts. As a result, one of the country's largest such companies -- Vail Resorts -- has abandoned its long-time advertising strategies and practices and built a new in-house marketing operation that uses social media and other digital venues to constantly engage skiing enthusiasts in real time. CEO Rob Katz explains the dramatic changes.

NEW YORK (AdAge.com) -- In the 47-year timeline of Wal-Mart's history, few years can match 2006 for marketing chaos. In January of that year, Julie Roehm, an edgy Chrysler marketing executive, became Wal-Mart's SVP of marketing communications only to be dismissed twelve months later. Wal-Mart named Stephen Quinn the new CMO with a mandate to return the company to its traditional marketing vision. In this program, Mr. Quinn, now riding atop one of the recession's most successful retail operations, reflects on what was learned during those those troubled days of 2006.

NEW YORK (AdAge.com) -- Putting a humanitarian spin on his remarks to an ANA audience, Wal-Mart CMO Stephen Quinn defended his company's massive expansion of is private-label brands. Earlier this year, the retail giant sparked a controversy in the food marketing industry when it unveiled a revamped "Great Value" brand line that includes more than 5,000 items in 100 grocery categories. Mr. Quinn said the effort was rooted in the company's desire to help customers who couldn't otherwise afford adequate food for their families.