As I am testing out the Windows 8.1 RTM I discovered the appearance of a button in the address bar of Metro IE11 that I had not seen before.
I went to my Surface RT just to verify that this is not present in the Windows 8.1 Preview version of IE11 and it is not.
When you press the button it removes all other elements of the webpage you are on and just shows you the text of the story for distraction free reading.
Here is the normal view of a webpage in Metro IE11:
Here is Reading View:
Looks a lot like reading an article in a Windows App doesn’t it.