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Mobile advertising has largely failed to live up to a tremendous amount of hype for several years. But advertisers are beginning to leverage powerful new tools that will enable some very effective mobile campaigns -- if those advertisers are mindful of two important factors. Read more »

Amazon took another step toward co-opting Google's mobile operating system with a new API that enables developers to place Amazon-based ads on titles distributed through its Appstore. The move is the latest indication that Google risks becoming the low-rent district of the platform it created. Read more »

A flurry of announcements out of Mobile World Congress in Barcelona this week have underscored how emerging markets have become the newest hotbed in the worldwide mobile industry. Those markets present some major challenges, but they also offer enormous opportunities. Read more »

App developers targeting the U.S. market have high hopes for mobile gaming, which is gaining substantial traction in some overseas regions. But plenty of legislative and logistical challenges remain before on-the-go wagering is really available for U.S. consumers. Read more »

The market for paid mobile search is beginning to skyrocket as users increasingly turn to their phones to find what they're looking for on the go. And mobile SEO is becoming a powerful way for businesses to drive traffic to their sites and acquire customers. Read more »

The Federal Communications Commission has no grand plan to deploy free Wi-Fi networks across the country. But those recent reports have highlighted the "white space" spectrum that could have a major impact in the mobile industry in the coming years. Read more »

NFC has seen enormous hype as a vehicle for mobile payments, but the technology has yet to see any real uptake in major global markets. NFC-enabled handsets are beginning to come to market in a big way, though, laying the foundation for other uses. Read more »

Responsive web design is gaining momentum as a way for online publishers to reach a broad audience across PCs, tablets and mobile phones with a single site. But most companies looking to truly engage with mobile users still need a stand-alone mobile site. Read more »

Samsung plans to move aggressively into the mobile enterprise in 2013, targeting businesses and users that were once dominated by Research In Motion. The world's largest manufacturer of mobile phones could be a winner if meets a few crucial challenges. Read more »

The market for smaller tablets has heated up as Apple takes on gadgets like Amazon's Kindle Fire and Google's Nexus 7. But a buzz is emerging out of CES in Las Vegas surrounding the coming wave of tablets that are substantially bigger than the iPad. Read more »