Microsoft unveiled ‘Mango’ their latest mobile OS today. This essentially means that their partners get a chance to begin testing it on their handsets which Redmond had better hope offer a formidable challenge to Apple’s iPhone and/or Google’s Android OS or it might be over before it even begins (as far as any chance that they stand to continue being nothing more than an ‘also-ran’ within this consumer market segment).
From CNET: http://goo.gl/hnkHS