In uncertain economic times, people may need to bring in additional money, and renting out a room in one's home can be a way to do that. But there seems to be a key difference between the big business version of home sharing that we're now seeing in neighborhoods everywhere -- HOAs included -- and home sharing years ago. Was old-style home sharing more family-focused? Years ago, there were boardinghouses. And while, modern-day home sharing is often compared to boardinghouses, when you look at history, you see a difference...in this excerpt from an article about boardinghouse history in the Encyclopedia of Chicago, for example: "For many landlords and boarders, the household intimacy of boarding was part of its appeal. Boarders not only took their meals within the household, but often participated in family activities. Boardinghouse residents met daily in the shared spaces of the dining room and the parlor. Late-nineteenth-century reformers approved of the family environm...