In addition to an all-new predictive touch technology and two times better touch-to-display latency in iOS 9, another clue of a rumored 'iPad Pro' comes in the form of a hidden software keyboard in iOS 9.
As discovered by iOS developer Steve Troughton Smith, it was designed to cater to bigger screen sizes with a wider key appearance, some new keys and a brand new row of symbols that are normally invoked with specific keystroke combinations.