Marketers should know the costs for both organic and paid-search campaigns and traffic. Aleh Barysevich guides us through how to calculate the cost of one site visitor's visit to a Web site generated separately by search engine optimization and paid-search campaigns. It will help marketers learn how to split budgets and estimate traffic if a site ranks in the No.1 spot for specific keywords. Read this article here.

Melissa Mackey demonstrates how to use Bing Keyword Distribution Graph, which filters and slices data into sections to visually see the changes. She provides a visual preview of the process. Graphs allow marketers to visually see four graphs and metrics simultaneously, including average cost per click, click-through rates, and average position of keywords and campaigns. Read the article here.

Google plans to finance and build a wireless network throughout parts of Africa and southeast Asia to provide Internet access through white spaces -- unused TV broadcast spectrum channels. The service will broadcast from three base stations at Stellenbosch University's Faculty of Medicine and Health Sciences in Tygerberg, Cape Town. Trials will begin at 10 schools in Cape Town to test the technology.

Amanda Massello believes the value of title tags is understated. She points to ecommerce businesses that have begun to differentiate themselves within the search engine results pages to gain more clicks from competitors. She suggests viewing title tags as another marketing platform to convey offers and details on sites to reinforce the brand's value. It's in the marketer's best interests to review keyword placement, free shipment and other offers, and emphasize niche categories to bring consumers to the site. Read the article here.

The U.S. Patent and Trademark Office has granted Apple a patent on push-to-talk technology. It describes a method to provide push-to-talk from one user to another in a wireless packet data telecommunications network. Apple Insider tells us that's one in 26 that the patent officer granted Apple this week. Another was a double-sided touch-sensitive panel that could possibly appear in future iPhones or glass. Picture a glass wall separating two rooms. Read thee article here.

DoubleClick and other firms that specialize in helping Web publishers sell ads from their Web sites could become the focus of an antitrust probe for U.S. regulators, according to Reuters, citing sources. As of this post, Google had not been notified of the antitrust investigation. Some report Google’s DoubleClick purchase as controversial and subject of a lengthy review by the FTC.  

Google and Facebook are reportedly in talks to acquire Waze, a mapping startup that gets information through crowdsourcing. Neither suitor is close to sealing the deal, according to Bloomberg. Interestingly, Waze investors include Redmond, Wash-based Microsoft, Kleiner Perkins Caufield & Byers, and Hong Kong billionaire Li Ka-shing's Horizons Ventures Hong Kong.

Google has acquired Makani Power, a startup described as building power-generating cable-tethered flying wind turbines, to integrate in Google X's "moonshot" division that focuses on the most science fiction-type technologies. Google helped to fund the company in its early days. The company's multibillion-dollar research and development budget allows the company to experiment.

Courtney Eckerle tells us how Sony Electronics' social media team turned an outside social movement and a large internal campaign into a charitable campaign that built a presence in Pinterest. She takes us through the challenges of getting to a 350% increase in brand impressions during an average month; 12,500 repins to the Pin it to Give it board; 6,925 followers for the Pin it to Give it board; and more than 20 media placements. Read the article here.

Foursquare has released what it calls "super-specific searches to help users find what they seek." The update for iOS and Android aims to help users find answers to search requests like "A cheap sushi place that's nearby and open now, but that I haven't been to yet." A "Best Nearby" feature serves up Foursquare recommendations. Read the article here.