Social Isolation in America: Changes in Core Discussion Networks Over Two Decades
By McPherson, Smith-Lovin & Brashears – American Sociological Review (2006, Vol 71 June:353-375)
Army Warns Rumsfeld It’s Billions Short
By Peter Spiegel – LA Times (Sept 25, 2006)
P2P Can Cut Banks Out of the Picture: Ripple
By Robin Good (Jun 27, 2005)