Wait another six months.
http://en.wikipedia.org/wiki/Friedman_ (unit)
It helps to understand if you understand that he married the daughter of a billionaire.
http://en.wikipedia.org/wiki/Thomas_Friedman <snip>
Friedman's wife, Ann, is a graduate of Stanford University and the London School of Economics.<2> Her father, Matthew Bucksbaum, is the chairman of the board of General Growth Properties, the real estate development group that he co-founded with his brother in 1954.
The Bucksbaums helped pioneer the development of shopping centers in the United States.<3> As of 2007, Forbes estimated the Bucksbaum family's assets at $4.1 billion, including about 18.6 million square meters of mall space.Ann and Thomas Friedman live in Bethesda, Maryland, a suburb of Washington, D.C. The July 2006 issue of Washingtonian reported that they own "a palatial 11,400-square-foot (1,060 m2) house, currently valued at $9.3 million, on a 7½-acre parcel just blocks from I-495 and Bethesda Country Club.