Driving through New York, almost anonymous now in the front seat, Jack sees deepening divides.

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But David McGoldrick was almost anonymous up front and their lack of a cutting edge was glaringly obvious.

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Countless Marines I know had put off careers in business, finance and law to play small, almost anonymous parts in tedious and dangerous places.

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The Council of Europe is little known in the USA and is almost as anonymous in Europe.

FORBES: Connect

So journalists seek those details out and almost always have to rely on anonymous sources.

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According to one source and long-time supporter of Anonymous, new folks who jumped into OpFacebook were almost certainly among the flood of kids who visit 4chan, widely seen as the home of Anonymous, every summer, itching to join a cyber attack.

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The 100-year-old scale drawing was sold last year in England for almost a quarter of a million pounds, but the anonymous buyer has agreed for it to go on show at the new Titanic visitor centre in Belfast.

BBC: Titanic design plan comes back to Belfast

They use false details or hide behind anonymous e-mail addresses when signing up, and are almost impossible to trace.

BBC: Fake websites shut down by police

Some have been easy for the Vatican to dismiss, such as an anonymous memo outlining a Borgia-esque plot to kill the pope, which struck most people as almost comical in its implausibility.

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