But as this week's Cleverbot video showed, if you let a computer program talk to itself, there's probably not a human alive who would buy it.

CNN: Robots aren't good at talking to themselves

Investigators concluded that the women had been fully vetted by Colombian officials and U.S. investigators, who confirmed they were not part of a human trafficking network or affiliated with Colombian guerillas or other terrorist or drug-trafficking groups, according to the report.

CNN: Military report details misconduct on Colombia trip

H1N1 is a more appropriate label for this flu, because a direct link from pig to human has not been established, according to Professor Marie Gramer's who studies swine disease at the University of Minnesota.

CNN: Inaccurate 'swine' flu label hurts industry, pork producers say