Seems crazy to me how easy it is to focus when accessing the Internet is just not there. The train without Wi-Fi gives you a span of precious time. Compared to office hours, the minutes you spend on the train are a gift to do something different.
Forcing ourselves to disconnect and create those moments is not that easy. Your brain gets bored of doing stuff after a while, and the one-minute-visit to Facebook quickly kills your 30-minute potential creative gap.
This essay and The Call Receptor were written in a train from Madrid to Málaga in just 20 minutes. No email, no Facebook, no Twitter.