Such information is indispensable and collected with many means that are not available to U.N. inspectors.

CNN: SHARE THIS

With the enormous proliferation of museums, collectors, auction houses, galleries and the indispensable tool of the internet, market information is now available worldwide and has become increasingly transparent.

FORBES: Connect

There is no shortage of information circulating of late espousing the benefits of making yourself indispensable to your employer.

FORBES: Seth Godin's Linchpin Theory: Sound Advice or Career Suicide?