Microsoft continues to step up its virtualization push, with the acquisition of desktop virtualization management software developer Kidaro. Without disclosing a purchase price or when the deal is expected to close, Microsoft said it plans to acquire Kidaro and integrate its technology into the Microsoft Desktop Optimization Pack for Software Assurance. Kidaro offers management technology aimed at... 

As it scrambles to avoid defeat in its battle with Microsoft, Yahoo is trying to put a little more time on the clock. Microsoft, whose offer for Yahoo is now worth $41.2 billion, was preparing to escalate its takeover fight by starting a proxy contest next week. But in an effort to delay that move, Yahoo said Wednesday that it was extending the deadline for nominating directors until 10 days after...