Looking backwards he says today that it was a 'burnout'.

For Houston it even got to a point where he felt that he got sick. Since as a CEO your potential to-do list is always a hundred times as long as the time you actually have available, work's never really done unless you decide so. Taking work with you to where ever you go and being available 24/7 as an entrepreneur that's not just inefficient, says the 36-years-old, it actually contributes to an 'epidemic of burnout'. I was working really hard, but feeling I’m making less progress.“

In the Bits & Pretzels Podcast Drew Houston, the co-founder of Dropbox and one of the most achieved tech-pioneers, explains how during his career he got really frustrated with his lack of performance as CEO due to an overwhelming amount of emails and to-do lists: 'I’m in meetings all day, inbox all night, and then wake-up and repeat, and it was bizarre, because I couldn't remember the last time I was using my brain. Addicted to your phone? You are not alone.

Ceo of drop box