Are humans becoming obsolete in the workforce? All signs point to "yes."
As IBM's Watson proved on Jeopardy, robots are becoming smarter than people. They also make fewer mistakes and they don't get bored.
By 2013 there will be 1.2 million industrial robots working worldwide — that's one robot for every 5,000 people, according to Marshall Brain, founder of How Stuff Works and author of Robotic Nation.
Robots are currently analyzing documents, filling prescriptions, and handling other tasks that were once exclusively done by humans.