Sometimes I'm asked how my interest in productivity started. The short answer is that it started with me becoming breathless after climbing up two floors of stairs. It happened December 29th, 2009. On that day, I decided that I had to get back in shape. That same evening, I went out for my first run. This single event changed my life. It resulted in me becoming almost 30kg slimmer, running 5 marathons (so far), and becoming passionate about productivity. If you want to know the longer version of the story, then read on!