[iMore.com]

One of the biggest gripes about larger smartphones is how hard they are to use one-handed. Apple's solution to this problem is through a feature they're calling "reachability". The iPhone 6 and iPhone 6 Plus will allow you to double-tap the Home button while in an app in order to bring top navigation controls within your reach. That combined with gesture support that was introduced in iOS 7 is going to make for a one-handed experience that doesn't currently exist.

Full story from the iMore Blog...