I shared my plans with no one, not my girlfriend, not my parents, not my closest friends. Nobody knew the route I was taking out of town, where I was going, or my new name. If I got caught, it would be by my own mistakes. What does it take to disappear in the digital age? In 2009, writer Evan Ratliff vanished, and Wired magazine offered its readers $5,000 if they could track him down. Thousands joined in on the month-long manhunt...