The high-flying days of the bottomless seed money for internet start-ups are over in San Francisco. Many early eclectic residents of San Francisco fled before the bubble burst, squeezed out of an increasingly expensive city. Now, many new economy workers follow in their wake. Who is left in the City? What's San Francisco like today? Larry Mantle takes a look at recent San Francisco history up to current day and speaks with Craigslist.org's Craig Newmark and California State Librarian, Dr. Kevin Starr.