Facebook has expressed concern about the DEA's conduct and asked the government agency to cease all activities on Facebook that involve the impersonation of others. DEA agents set up fradulent Facebook profile using a real person's name as part of a sting operation targeting drug dealers. In a letter to the DEA, Facebook listed four violations of the site's terms and standards. The company insists it has made clear that law enforcement authorities are subject to the same policies as others.

Some 63% of online buyers, mostly the younger generations and women, are not familiar with the Alibaba brand or Web site. About 37% of U.S. online buyers have heard of Alibaba, with 30% of this group reporting they already have browsed or purchased from Alibaba.com, per a study from Bizrate Insights.

Think global, act local. Marketers have heard it before. Globalization and Internet growth continue to make international markets more accessible. Christian Arno provides tips on localizing Web sites and media channels, whether it's a small business through cloud services on Amazon and eBay or running a business-to-business operation on a private server. Arno serves up some ideas to consider.

Duplicate content can lead to a decline in crawl rate, inaccurate page ranking, as well as making it difficult for a search engine to decide on the page to rank. Navneet Kaushal runs through several content issues based on duplicate content, such as identical product descriptions for similar products, using different URLs or domains for mobile versions of Web sites, and a site architecture where there are multiple paths to the same page. Kaushal also provides insight into solving the duplicate content issue such as explaining the use of meta tags and being consistent with the company's internal linking strategy.

As a search marketer, have you thought about automatic identification? Perhaps not per consumer, not yes until companies work out privacy issues, but per device. More sensors and wearable devices means more ways for search marketers to reach consumers through automatic identification and technologies. The worldwide market for sensors in wearable electronics devices will reach 466 million units in 2019, up from 67 million in 2013, per research firm IHS Technology. The research firm estimates shipments of sensors will climb quicker than the market for the wearable devices. Wearable devices will increase to 135 million units in 2019, less than …

MediaMath has acquired Upcast, a social advertising technology platform, to help agencies and brands tap into digital marketing opportunities through Facebook, Twitter, and other emerging social media companies. In a press release distributed Thursday, MediaMath said that the acquisition brings a range of features for social advertisers to manage engagement, direct response, and mobile campaigns.

U.S. marketers will spend $10 billion this year, up 137.1%, to buy digital display media through programmatic channels, per eMarketer. The research firm estimates automated ads will account for nearly half of the U.S. digital display market this year. Much of the growth will come from mobile. This year, mobile will account for 44.1%, or $4.44 billion, of all U.S. programmatic display ad spending.

The first lady Michelle Obama dances her way through a Vine video singing "Turnip, for what," which sounds like "turn-up for what," a takeoff of a popular tune by rappers Lil Jon and DJ Snake. The video came in response to a question and answer on Vine that the First Lady answered about healthy eating.

IntelliResponse developed a method that lets B2B customers search for frequently asked questions and find answers on a company's Web site in a way not previously done in the past. The challenge was to teach brands about this new option by improving on its content strategy to generate brand awareness and leads. Brands may not know this options exists, or fully realize how it can benefit their businesses. Erin Hogg takes us through the steps that IntelliResponse took to build awareness. The results were 400% increase in site traffic within two years; 100% increase in leads generated through the site in the past …

Building trust should come easy, but it doesn't. It means building an emotional connection. Novelists have the same challenge. They must find the one thread of information that binds the reader with the writer. Once that connection gets made, trust can build. Let your personality shine. Add a little culture. And if you have a boring niche, all the better, per Mackenzie Fogelson. Most of all, deliver on all promises. It means leading with integrity and putting customers first.