Artificial Intelligence, With Help From the Humans - New York Times:Stuart Isett

Jeff Bezos, chief executive of Amazon, has created Mechanical Turk, a service in which humans are paid a small sum to do jobs that computers can’t do.

By JASON PONTIN

COMPUTERS still do some things very poorly. Even when they pool their memory and processors in powerful networks, they remain unevenly intelligent. Things that humans do with little conscious thought, such as recognizing patterns or meanings in images, language or concepts, only baffle the machines.