We are live at Mobile World Congress, but you knew that. Steve Ballmer is set to give his keynote at 4pm local time, which equates to 10am Eastern in the US. We hope we're going to hear details on the next version of Windows Phone, but with Steve, anything is possible. We're at the Keynote viewing party at Microsoft's digs at the Catalonia hotel, where we will not only watch the Keynote stream but also hit up Microsoft folk for questions after the event. Join us after the break!