Nokia launches new security unit; Vodafone Qatar reports narrowing Q4 loss

> Intel teamed with Chinese chip maker Fuzhou Rockchip Electronics to develop a new range of quad-core processors for tablet PCs. Article

> Russian operator Rostelecom plans to keep this year's revenues and core profit margin at least at last year's levels, as it presses ahead with an efficiency drive before possible privatisation. Article

> Equity Bank of Kenya plans to launch a mobile telecoms service in July, using Airtel Kenya's network infrastructure. Article

> Vodafone Qatar narrowed its fourth-quarter loss as it increased its customer base by more than a fifth. Article

> Nokia plans to make security a main focus in its networks business by dedicating a new unit within the company to ensuring that new products have security built in. Article

And finally…Facebook CEO Mark Zuckerberg has been summonsed to appear before an Iranian court regarding complaints about violation of privacy. Article