the new machine age is more 'knowledge creation than physical production, it is mind not matter, brain not braun, ideas not things that creates eye problem for -- creates a problem for standard metrics we're getting more and more stuff for free. john: eric is joining us now what did that mean. >> wikipedia available for free, that means it does not show up in their statistics that measure value of goods and services bought and sold. john: one example you used in youred to talk, robot that -- ted talk was ibm named watson, that went on jeopardy to compete with people and lost, but that was in 2011, that computer kept working. >> these are all the champions on the quiz show jeopardy, at first, watson was not very good, but it improved, at a rate