Gizmodo: With Apple's World Wide Developers Conference just a month a way, rumors continue to surface that iOS 7 could see a major UI overhaul. Word on the street is that Jony Ive and his team at Apple are going for a very "flat" look. Since then, many designers have put together some interesting mock-ups and concepts together speculating on how a flat iOS 7 might look. Some are a bit radical, others seem more realistic. Here are a few of our favorites.