Preface

Your mouse is slowing you down.

When it was first introduced, the mouse created a new way for people to interact with computers. We can click, double-click, and even triple-click to open documents, switch windows, and select text. And thanks to trackpads, we can even swipe and use gestures to interact with our applications. The mouse, along with graphical interfaces, made computers just a little easier to use for the average person. But there’s a downside to the mouse, especially for programmers.

As we build software, we work with multiple programs throughout the course of our day. A web developer, for example, might have a database console, a web server, and a text editor running at the same time. Switching between these with the ...

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