You're probably saying to yourself, "didn't Skype just get a Windows 8-friendly refresh?" Why yes, yes it did. But Skype 6.0 here isn't limited to Windows RT slates, instead it's designed for more traditional Windows systems and even has a similarly numbered OS X counter part. There's a number of notable changes here, including the ability to sign in directly with your Facebook or Microsoft account. (If you've got a Live Messenger, Hotmai