Earlier this week, a number of Apple-focused bloggers claimed iOS 7 was running behind schedule and that it would bring a significant user interface refresh. Designer F. Bianco has posted a set of images to Flickr with some interesting thoughts on what useful changes Apple could make to iOS 7 to improve the user experience. Apple's user interfaces will likely face new scrutiny now that Facebook has laid out a new vision for how phone users interact with their devices with Facebook Home. One of the more in