SIM cards and top-up cards. Photo: Karl Baron /Flickr Creative Commons The situation: you're out and about in an exotic land. You meet some cool travelers, open-minded and fun. You all fervently promise to meet up later that night. What happens? You show up on time, but your new friends are nowhere to be found....

Can you be a vagabonder and stay in your own home country? Some people might argue that this defeats the purpose of vagabonding -- seeing unusual sights and hearing strange sounds, experiencing bizarre forms of transportation and even more bizarre gastronomical trials -- but there is a lot to be said for picking up and...