No two people have yet been found to have the same results, and so far far nobody has been able to replicate somebody else's gait to the extent that it fooled the computer, Professor Nixon said.

BBC: Biometrics cybersecurity research gets government cash

We have engaged in a limited operation to help a lot of people against one of the worst tyrants in the world -- somebody who nobody should want to defend -- and we should be sending a unified message to this guy that he should step down and give his people a fair chance to live their lives without fear.

WHITEHOUSE: President Obama News Conference

Nobody auctioned the first copy for an outrageous sum of money and, indeed, somebody suggested during the question and answer session that the book should be made available for free online.

BBC: African viewpoint: Ghana's 'Mr Cool'