If folks want to really understand the history, demographics, socioeconomic issues, and legality/zoning/civics of the Tenderloin, they should read this article:

If folks want to really understand the history, demographics, socioeconomic issues, and legality/zoning/civics of the Tenderloin, they should read this article: http://www.modernluxury.com/san-francisco/story/arise-tenderloin http://www.modernluxury.com/san-francisco/story/arise-tender... ^ It's easily the most accurate, holistic, and honest piece on the Tenderloin I've ever come across.