Brian Carter suggests companies designate brand ambassadors to tweet for them -- and make sure those folks personalize their tweets with a photo of themselves. He explains the importance of keeping a personal connection with consumers. That personal connection builds trust, increases mindshare and prompts repeat purchases. Carter gives several examples of companies that have done it correctly, as well as firms that have flopped.

Overcoming the language barrier to localize Web sites can become a challenge. Christian Arno tells us about several issues to consider, including keyword translation, country-specific domains and hosting, geolocation and link building. Arno suggests the best strategies to take.

Google has released features to manage mobile devices in the Apps administrator control panel. This post explains the types of features added, among them an auto-wiping device that kicks in after specified number of failed password attempts, disabling the phone's camera, and ensuring old passwords are not reused.

Attribution management has become a thorn in the side of marketing trying to determine how to allocate media budgets. Xuhui Shao reminds us the last-click or "last-ad win" model no longer works, as real-time bidding and audience optimization become the core strategy of more campaigns. So, he offers up three steps that could solve the problem or at least set marketers in the correct direction.

Still trying to wrap your head around SEO jargon and competitors backlinks or best practices for Google Analytics or Microsoft adCenter? Rand Fishkin provides a description of the process, from building sites and earning rankings to accessing blogs and communities. He also lists and links to upcoming industry search events.

The problems of determining SEO success vary, but the most challenging always comes back to measuring return on investment (ROI). Since that data-driven metric requires several steps, Ray Comstock steps through the process to understanding brand and non-brand keywords, long-tail performance, year-on-year comparisons, and organic search rankings.

Social networks have made it more difficult for people to mislead potential clients on their expertise, but if you need more help, Mona Elesseily gives us five ways to determine if the paid search expert you want to hire knows his stuff. For example: All campaigns need data to back up their success, but Elesseily points to an excess of long-drawn-out reports as an attempt to impress and mask a lack of insight.

Campaign and third-party data are two types SEO experts rely on, but it's important to look at the Web site performance before making a change. Dave Snyder provides tips to look at the data as a learning tool to help create a foundation for testing and segmenting campaigns. But, at the end of the day, he tells us why marketers need to leave the major decisions to the campaign data alone.

Tina Kelleher defines conversion tracking as a reporting metric that helps measure the success of your PPC campaigns and more accurately evaluate return on investments through tracking script embedded on a Web site. She explains how to turn off and on the feature in adCenter.

Christopher Heine tells us paid ads involving Knicks tickets and the "LeBron James" search term were spotted on Bing when the sports star contemplated signing with the league's New York franchise. He explains how this made perfect sense at the time, and how marketers and SEO experts can quickly alter paid search campaigns for other of-the-moment topics.