That's good news – because its defined as the end of the recession and the beginning of the recovery. The first graph below indicates what made the Great Recession special: its duration and depth. Lets hope the recovery is faster than the pace the US experienced post 2001. But the odds are its going to be much longer.
Actually, US income has been growing since mid 2009, but as of March 2010, the employment contraction is also over.

