Webwire: Hurricane's toll on US comms revealed; RIM starts BB10 testing

US regulators are concerned many mobile towers and data centers that switched to generator power after electricity supplies failed during a hurricane, could run out of fuel before power grids are back up and running.
RIM is a step closer to finally launching its latest operating system – BlackBerry 10 – after making the software available to 50 carriers for testing.
Search giant Google is one of three firms being pressed by politicians for details on the way it handles tax payments in the UK. Fellow tech firm Amazon is also being probed, along with global coffee retailer Starbucks.
Google denies reports by French newspaper Canard Enchaine that tax authorities in the country are demanding €1 billion from the firm.
Use of smartphones and tablets is extending the working day by two hours, as staff check e-mail more frequently, a study for a travel website shows
Facebook shares fell 5% in early trading in the US yesterday – the first trading since a restriction on the sale of 229 million additional shares was lifted.
Computer maker Acer is delaying the launch of tablets running Windows RT – a version of Windows 8 for ARM-based devices – until April, after mixed reviews for Microsoft’s Surface unit, which runs the same version of the operating system.