If all this sounds difficult and convoluted, it actually isn't, and most people sail through the process very easily.

BBC: Self-assessment deadline looms again

Sounds quite difficult to me, do you have an answer?

BBC: Queen's Speech debate: Education and health

Role-based access control sounds fine in theory but is difficult in practice.

ECONOMIST: Companies and information

Dealing with it sounds simple but it can prove far more difficult, depending how high up you are on the fame scale.

CNN: Cristiano Ronaldo and Daniel Craig - A right to privacy?

At first sight having investors pay for ratings sounds like a good idea, but it is difficult to see how it would work in practice.

FORBES: Rethinking Credit Ratings

Sounds ingenious, the problem is the technology is patented, expensive, difficult to achieve in real-world manufacturing, unreliable and easily defeated by anyone with a nail file.

FORBES: Move up http://i.forbesimg.com t Move down