Brands such as Facebook and Abercrombie & Fitch are finding it harder to win over and keep teen consumers in part because of their mobile habits. As millennials mature and mobile habits change more broadly, other marketers are also likely to struggle to maintain their grip on consumers.

Samsung devices hold a majority of Android activity and are gaining steam, with the brand's share of Android smartphone activity having more than doubled in the past eight months, according to a report from Mixpanel.

Registration is open for the 3rd annual Mobile FirstLook: Strategy 2014 conference Jan. 15-16 featuring speakers from Macy's, eBay, Coca-Cola, Office Depot, Lowe's, Amazon's Zappos, Anheuser-Busch InBev, Rue La La, Citi, REI, Campbell Soup, Omni Hotels, Forrester, Yahoo, NYT, USA Today and Cumberland Farms. Must-attend event for brands, retailers, agencies and publishers.

Please register for the free annual webinar at 2 p.m. to 3 p.m. ET on Thursday, Dec. 5: "Mobile Outlook 2014: Up, Down or Flat?" Panelists include execs from BIA/Kelsey and Hipcricket.

The University of Wyoming is kicking its mobile marketing into gear for several sports teams, highlighting the need for colleges to move into sports-related campaigns to capitalize on fervent sports fans.

Debenhams updated its third annual Beauty Club Awards to make the site optimized for mobile, and in doing so, the department store saw a 2,370 percent increase in traffic with 41 percent of the votes cast by mobile.

Today in mobile marketing - With Moto G phone, Google's mobile revolution now plausible; Mobile phones are now as crucial as food and water in emergency aid; Fifty essential mobile marketing facts; Mobile is the only media that is growing -- TV, print, radio are all shrinking.

Mobile Commerce Daily today - Will Thanksgiving be the biggest mobile shopping day ever?; Best Buy energizes SMS with push alert for Black Friday success.

Luxury daily today - Estée Lauder abbreviates fragrance film for Pandora mobile ads; Fendi educates fans worldwide on furrier roots with traveling exhibit.

By James Orsini

Mobile is the media for the moment. Advertisers, retailers and brands simply must have mobile as an integrated part of their holiday marketing plans and budgets. Fortunately, it is not too late to deploy the proper efforts.