News In Brief: NTT DoCoMo, Facebook, Huawei, RockMelt, Appitalism, Softbank

NTT DoCoMo will launch an LTE service, Xi (pronounced “crossy”) on December 24.
The Queen has joined Facebook
Developers of RockMelt have released the beta version of their social media browser.
Huawei will provide a network upgrade for Grameenphone, Bangladesh’s largest mobile operator.
Appitalism, a new cross-platform app store, has launched.
The top 100 iPad apps cost 171% more than the top 100 iPhone apps, says Distimo
Japan's Softbank will deploy Ericsson's new base station solution in its HSPA network. 
A Californian iPhone user has filed a lawsuit accusing Apple of engineering iOS 4 to turn iPhone 3G and iPhone 3Gs phones into “iBricks” to force users to upgrade to iPhone 4.