Happy Sunday! As I write this, Cal Newport’s Deep Work is only $2.99 on Amazon Kindle.

This prescient classic came along just as people were starting to get an idea that digital tools and media might be making us more distracted than productive. Now “deep work” is part of the popular lexicon.

I built upon Deep Work when developing the system I shared in Mind Management, Not Time Management. In fact, when I interviewed Newport for my podcast, he said:

The thing I learned after Deep Work came ou...