Quick news from around the Web.
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> According to Wireless Intelligence, the U.S. market is one of the few countries worldwide where consumers are increasing their spend on mobile, countering the traditional perception that ARPU has been consistently decreasing in recent years. Post
> AT&T Mobility released two new network application programming interfaces: an Advertising API and an In-App Messaging from Mobile Number API. Post
> Verizon Wireless is now selling its new 4G LTE Router, which the company said can support wired and Wi-Fi enabled devices simultaneously to keep the multiple devices connected, for $99 with a contract and a discount. Post
> Huawei continues to expect growth in its networks business, despite setbacks in the United States. Article (sub. req.)
> Qualcomm Technologies announced an engineering and technology agreement with MLB Advanced Media. Release
> Nokia plans to shutter its biggest retail store in the world, in Shanghai. Article
Mobile Content News
> Mobile advertising will reach $7.29 billion in 2013, and Google will take home more than half of it, according to new research from eMarketer. Post
> Viddy's co-founder is leaving the company. Article
> Twitter is rolling out a revamped version of its Android application, promising users a more native experience crafted in line with the design principles Google introduced with the release of its Android 4.0 OS update. Article
> Google is launching Blink, an open-source rendering engine spinning out of WebKit, the engine powering browsers including the company's own Chrome as well as archrival Apple's Safari. Article
> BlackBerry will shutter its cloud-based BBM Music service in June, less than two years after the music discovery initiative rolled out to consumers. Article
Broadband Wireless News
> It's time to take another look at cell phone radiation. Editor's Corner
> Four leading U.S. mobile operators will use ExteNet Systems' new distributed antenna system (DAS) in the massive Barclays Center sports and entertainment venue. Article
European Wireless News
> TeliaSonera said it will push forward with developing the future potential of its Spanish subsidiary Yoigo after failing to attract high enough offers in a prospective sale. Article
> Spain's leading mobile operators will introduce smartphones from HTC, LG Electronics, Nokia, Samsung Electronics and Sony Mobile Communications with Joyn embedded into the smartphones' operating systems. Article
And finally… Apple's "spaceship" HQ could cost $5 billion. Article