Quick news from around the Web.
@FierceWireless: Telefónica explains why it's selling ZTE's 'Open' Firefox phone. Article | Follow@FierceWireless
> AT&T and the Communication Workers of America inked a tentative agreement for the carrier's wireless employees. Article
> AT&T Mobility said it is open to selling Firefox phones. Article
> MetroPCS said it will offer the Cellebrite Touch mobile phone diagnostics tool in its stores. Release
> C Spire Wireless announced a new program that will give families who switch to the carrier up to $500 in its Perc rewards program. Release
> A Google executive said the model of selling devices directly to consumers through its Play store is "here to stay." Article
> According to new research from the Small Cell Forum in conjunction with Informa, about 56 percent of all cells today are femtocells, and that number will grow to 86 percent by 2016. Also by 2016, 90 percent of all cells will be small cells. Article
> To help seed the market for Rich Communications Services, MetroPCS will enable its customers to invite friends and family to access the operator's joyn-branded services, regardless of which wireless network they are on. Article
> Viber CEO Talmon Marco said joyn--a rival messaging service being offered by some wireless carriers--will not be successful. Article
> BlackBerry is testing a new mobile money transfer application integrated into its signature Messenger chat service, a move the beleaguered device maker hopes will keep customers from defecting to rival over-the-top messaging services like fast-growing WhatsApp. Article
> Qualcomm is adding core services to its AllJoyn proximal networking software development project, and the company is also creating an AllJoyn Alliance to promote interoperability and develop consumer-facing marketing for the brand, said a company executive. Article
> Sprint Nextel signed a deal with M2M enabler RACO Wireless to use the company's M2M platform and allow RACO's customers access Sprint's CDMA and LTE networks. Article
> Mozilla CEO Gary Kovacs said there is plenty of room for the company's forthcoming Firefox OS. Article
Mobile Content News
> Leap Wireless' Cricket Communications subsidiary will spin off its popular Muve Music service and begin licensing the platform to other mobile operators across the globe. Article
> Google is reportedly developing a subscription-based streaming radio service optimized for mobile devices, taking aim at rival efforts from Spotify, Rhapsody and Pandora. Article
Mobile Developer News
> The recent Facebook and Apple hacks should be a wakeup call to developers. Editor's Corner
> What are developers saying about the new Firefox platform? Article
And finally… Is your smartphone making you stupid? Article