Which leads me on to the larger point and one that is something of a personal hobby horse of mine: the way we tend to look at the economics of recycling.

FORBES: The Cash4Gold Bankruptcy: This Is The Basic Problem With Recycling

In Part 1 of this series, I talked about how any personal interest or hobby is a viable job target, regardless of how non-career related it may seem.

FORBES: How To Translate Your Interests Into Viable Job Targets, Part 3: Be Specific When You Match Your Interests To The Market

"I am pleased to find that they are at least willing to take and investigate further rather than make assumptions and going off on maybe their personal belief on snakes and maybe the reptile hobby keeping in general, " he said.

NPR: Collector Keeps His 29 Boa Constrictors _ For Now

"I call it Homebrew Health, " says one angel investor, alluding to the Homebrew Computer Club of the 1970s, the group of electronic enthusiasts, including Steve Jobs and Steve Wozniak, whose technology hobby led to the birth of the personal computer.

FORBES: On The Cover/Top Stories

M. personal computer and then the Mac were born, computers became his hobby.

NEWYORKER: Critical Mass