Has the Fed Implicitly Adopted NGDP Targeting?

The Fed statement appears to indicate indirect NGDP (nominal GDP) targeting. By giving an open-ended commitment to undertake monthly asset purchases until the labor market improves, the Fed is essentially aiming for a higher level of output and is not too worried about medium-term inflation risk.
Here is a nice intro to NGDP targeting for novices -
http://www.economist.com/node/21526886

Sept 13 FOMC Meeting

Fed Statement: http://www.federalreserve.gov/newsevents/press/monetary/20120913a.htm

Bloomberg Report

http://www.bloomberg.com/news/2012-09-13/fed-plans-to-buy-40-billion-in-mortgage-securities-each-month.html