Anderson Cooper recently featured a family of four with an interesting and revolutionary lifestyle. Forced by the recession to close their business and give up their larger home, the couple built what they call the "tiny house." The structure has only 168 square feet of living space. It can be cramped and claustrophobic. It can also be freeing to purge the nonessentials and focus on the necessities. 'Tiny House' is the Future If Big Spenders Don't Cut Back