The first half was very interesting reading with many ideas worth thinking about, but the second part was mundane to finish. I would not say it is inherently bad book though. I did not like the repetition of ideas and the overall focus on business people, which I am pretty sure other people might like. I would love it too—if it was half of its length.
"We (1) capture what has our attention; (2) clarify what each item means and what to do about it; (3) organize the results, which presents the options we (4) reflect on, which we then choose to (5) engage with. This constitutes the management of the horizontal aspect of our lives, incorporating everything that we need to consider at any time, as we move forward moment to moment."