I came across a reference to it while reading the first chapter of Deep Work by Cal Newport [0]. For anybody interested in distraction free work, it seems to be

I came across a reference to it while reading the first chapter of Deep Work by Cal Newport [0]. For anybody interested in distraction free work, it seems to be quite a good book (can't give a thorough review, I'm still at the beginning). I enjoyed reading his blog so far. [0] http://calnewport.com/blog/2016/01/05/the-book-facebook-doesnt-want-you-to-read/ http://calnewport.com/blog/2016/01/05/the-book-facebook-does...