If you think your life is getting ever more wireless, think again. The Internet connections the world relies on still cross the globe thanks to cables laid along the sea floor. And while terrorism isn't yet a major threat to their health, dropped anchors or human carelessness are.
I was in one for half a year. I refused military service and got sentenced to prison. Out of 181 days I spent two in a "real" prison before being transferred to an open prison to do the rest of the sentence.