Microsoft during its Mobile World Congress event showed a trio of major updates, among others, that will come to Windows Phone 7 later in the year and which it hopes will challenge Apple. The platform will finally get multitasking and is using a system heavily reminiscent of HP's webOS cards: jumping out shows all of the running apps as thumbnails of their current state and allows switching with simple flicks. Battery issues have reportedly been tackled, and third-part apps now have a wide range of privileges that includes background audio, among others.