Intelligent people can disagree about parenting techniques, but few endorse putting your adopted 7-year-old Russian son alone on a plane back to Moscow with a note saying it's over. Hansen, 34, whose actions set off a global furor, said she was lied to about the boy's mental state which must be much better now.
For connecting more than half a billion people and mapping the social relations among them, for creating a new system of exchanging information and for changing how we live our lives, Mark Elliot Zuckerberg is TIME's 2010 Person of the Year