RIM investigates PlayBook hacking; iPhone 4S more popular than iPhone 4

Quick news from around the Web.

@FierceMobiCo: Our best new mobile apps of November feature is up. Special Report. Number 8 on our list is #stachematic from @secondfiddleapp | [email protected]

> Research In Motion said it will investigate claims that its BlackBerry PlayBook has been hacked. Article (sub. req.)

> AT&T fired back at the FCC's staff report, which had argued against the AT&T/T-Mobile deal. Article

> Apple's iPhone 4S is more popular than its iPhone 4. Survey

> Motorola Solutions said it will provide the City of Atlanta with a surveillance system. Release

> Verizon Wireless' lawsuit against Jawa is still in court. Article

> Google's Android team said it released a version of the platform that will run on x86 chips. Article

> Official pictures of the Verizon Wireless Samsung Galaxy Nexus have leaked. Article

> Intel said it is working with Total Immersion on augmented reality chips. Article

> LightSquared announced a teaming with Smarter Car. Release

Mobile Content News

> RIM introduced an application rating system for its BlackBerry App World storefront based on the app rating system introduced by the CTIA and the Entertainment Software Rating Board earlier this week. Article

> Mobile application downloads in the U.S. increased from 3.8 million in September 2011 to a record 4.91 million in October. Article

Broadband Wireless News

> A network-sharing deal could be the way AT&T Mobility sells transaction with T-Mobile USA to the Department of Justice. Editor's Corner

> Ruckus Wireless has introduced a technology designed to optimize Wi-Fi capacity. Article

> Ericsson is urging mobile operators to work on bolstering their macro network infrastructure before turning to small-cell architectures. Article

European Wireless News

> Telefónica Germany confirmed that talks are underway with two other mobile operators to share network infrastructure. Article

> Vodafone Germany is planning to launch high-definition TV services next spring using its LTE network. Article

> All four French mobile operators are expected to make bids to provide 3G coverage of the Paris Metro and RER suburb train lines. Article

And finally... Google's Chrome passed Mozilla's Firefox to become the world's second most-popular desktop Internet browser. Article