There's a pull. It's a feeling that starts deep in your gut. It's the itch in your feet. It's the 3 AM search history on your laptop. It's the dream of a life, just for a little while, that is completely different from your own. It's the dream of a "gap year" that's more than just a holiday. It's the dream of working in a buzzing London creative studio, of volunteering for a cause you believe...