The Windows Phone Dev Podcast unearthed some seemingly legit Windows Phone 7 screenshots last week that revealed a few new features apparently headed to the mobile OS, and it's now back with another batch that show yet more additions said to be included with the so-called "Mango" update. That includes support for Facebook Chat and Office 365 (plus SkyDrive and SharePoint), as well as a revamped Games hub that suggests even more Xbox Live integration (including a rather interesting new "Automatic Sync" option). What's more, the lock sc
