An updated blog post from the UK-based software security firm withdraws earlier claims that a recent Microsoft update caused a glitch that resulted in affected PCs displaying only the My Computer folder on a blank screen. PrevX's new line is that changes in the Windows Registry that trigger the behaviour might be caused by malware or some other factor, which it is yet to pin down, but not the Windows update that it earlier held culpable."

On Tuesday, Dorsey announced his new start-up, Square, which will let anyone with a cellphone or iPod become a merchant and accept credit card payments."

Actually, of late it's been Bing that's been beating Google to certain things. Case in point, Microsoft announced its deal to index Twitter tweets on stage at the Web 2.0 Summit in October. Google followed hours later by pre-announcing its own Twitter deal."

Its newest feature, Lists, accomplishes both of these things, said Evan Williams, Twitter’s co-founder and chief executive, on Tuesday at the Web 2.0 Summit in San Francisco."

The official name for this device hasn't slipped out yet, but it reportedly has the code-name Motorola Calgary."

General Electric Co. CEO Jeff Immelt, Tuesday gave an audience at the Web 2.0 Summit in San Francisco the first public viewing of the company's new pocket-sized device, dubbed Vscan, that's designed for point-of-care imaging."

Two separate reports from TechCrunch and The Street say that the search giant is developing a music service, dubbed as Google Audio, and a smartphone that will not be sold through traditional wireless carriers."