Put another way, trying to squeeze a little more work out of your evenings might reduce your effectiveness the next day enough that you end up gettin… - Cal Newport

What's making us uncomfortable...is this feeling of losing control - a feeling that instantiates itself in a dozen different ways each day, such as when we tune out with our phone during our child's bath time, or lose our ability to enjoy a nice moment without a frantic urge to document it for a virtual audience.

The reason knowledge workers are losing their familiarity with deep work is well established: network tools. This is a broad category that captures communication services like e-mail and SMS, social media networks like Twitter and Facebook, and the shiny tangle of infotainment sites like BuzzFeed and Reddit. In aggregate, the rise of these tools, combined with ubiquitous access to them through smartphones and networked office computers, has fragmented most knowledge workers’ attention into slivers.

The Deep Work Hypothesis: The ability to perform deep work is becoming increasingly rare at exactly the same time it is becoming increasingly valuable in our economy. As a consequence, the few who cultivate this skill, and then make it the core of their working life, will thrive.