We have been on the cusp of the network phase in Public Diplomacy for some time now, but as yet we have not fully crossed the threshold and adopted the operating model of a network based approach.
John Arquilla's recent article in Foreign Policy outlines the impact the changing operational environment is having on US military operations:
When USC’s Center on Public Diplomacy embarked on its Virtual Worlds project a few years ago, I admit to being somewhat sceptical. The undertaking seemed, at the time, just too ephemeral, too abstract, too distant from the machinations of realpolitik and the grind of bureaucratic process which I experienced daily as a diplomat.
My thinking, not unlike internet applications, has since migrated.