http://www.nytimes.com/interactive/2011/01/02/business/20110102-metrics-graphic.html?ref=business http://www.nytimes.com/interactive/2011/01/02/business/20110..

http://www.nytimes.com/interactive/2011/01/02/business/20110102-metrics-graphic.html?ref=business http://www.nytimes.com/interactive/2011/01/02/business/20110... A longer timeline of perspective to enhance your comment.