By Natasha Baker TORONTO (Reuters) - New smartphone apps aim to solve the problem of keyboards causing aching fingers or auto-correct resulting in embarrassing blunders. The apps replace Qwerty keyboards with alternatives designed to provide better auto-correct and more seamless typing. Minuum, which launched for the iPhone and is available for Android devices, converts the keyboard into a single staggered line of characters and learns users’ typing habits to predict what they will type next. ...

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