Beyond keyboard shortcuts

In the age of touch devices, some days it seems like a day will come when we will not have to use a keyboard to interact with computers. A significant part of our relationship with technology passes through interfaces that were not common a decade ago: touch screens, accelerometers, cameras and microphones.

English: QWERTY keyboard, on 2007 Sony Vaio la...Keyboards, however, are still the most efficient way to interact with a computer, and not only for typing email. From code editors like Emacs to advanced image manipulation tools like Photoshop, it is no wonder that most advanced programs can be controlled more efficiently by means of keyboard shortcuts.
The learning curve for shortcuts is generally quite steep: while some of them are standard across programs and can be easily guessed, most shortcuts are complex abstract key combinations (as Command-Control-Shift-3 on Mac, that takes a screenshot to the clipboard) and therefore not easy to remember.

Some applications, however, are introducing smarter ways to control our computers using a keyboard.
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