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.

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"And also, I react to this as a journalist -- an interchange of information and ideas between government and the news media is indispensable to a functioning democracy, and if you start scaring sources with the possibility of years in prison, the loser is not going to be the news media -- it's going to be the public, " he said.

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The political research unit provides background information and reliable statistics on parties, policies and polling, producing indispensable election guides which are studied and treasured by politics geeks and other staff across the corporation.

BBC: This is BBC News

"We believe that their contribution is indispensable for realizing UNESCO's concept of knowledge societies which are built on universal access to information and freedom of expression".

UNESCO: Communication et information

Ensuring affordable high-speed Internet connections and equally affordable access to electronic scientific information and data for all the world's universities and research institutions has become indispensable for informed decision-making and knowledge production.

UNESCO: INTERVIEW