This Labor Day, Americans take some time off. Those, that is, who still have a job. The unemployment rate hovers just under ten percent - a 25 year high - and in parts of the country, the situation is worse. In this episode, the History Guys discovered that the concept of "unemployment" is modern; the word didn't appear in a government document until the 1880s. How has the changing nature of employment shaped the experience of not having a job? Have the moral connotations of work evolved? What has it meant that there are always immigrants who are willing to work for less?