A new concept video from TechRadar shows what iOS 8 may look like based on various leaks and reports that have detailed purported iOS 8 features. The publication has also imagined a bigger iPhone model that packs a large edge-to-edge display that curiously lacks a Touch ID-enabled Home button. Healthbook, one of the major iOS 8 applications, has a design similar to what’s available in the Passbook app. The app would sync with the iWatch to gather several health and fitness parameters to help you track your heart rate, blood sugar, hydration, blood pressure, respiratory rate, oxygen saturation, fitness activity, nutrition and sleep. Apple is rumored to include various sensors in its iWatch, although it’s yet to confirm what its first wearable device will