Here's a little feature that Microsoft quietly sneaked into Mango -- you can stream music straight from your SkyDrive account. With the latest WP7 update comes some nice integration with Redmond's cloud storage service, but it's not just for pulling up spreadsheets. You can navigate to any folder and, if you tap on an compatible sound file, it'll start playing the tune in the music app. It's not a full fledged streaming and syncing service like Google Music or a tight