With the new iPhone 6 and 6 Plus we see two new screen sizes which are just a clear response to the Smartphone-Market. At the same time it creates a slight issue for people with average-sized thumbs – reachability.
Here is a great lineup which illustrates the areas of a screen a normal thumb could reach. As we can see, with the new iPhones a big part of the screens top is out of accessibility.
That’s why Apple decided to develop and promote the new Double-Tap function on the big iPhones. If you tap twice on the Home-Button the screen slides down and suddenly you can touch the corners you couldn’t touch normally:
For more on that; read Scott Hurff’s latest blogpost.