These organizational and social forms, which are neither classical markets nor traditional hierarchies (Powell, 1990) nor both (Piore & Sabel, 1984) are built around material and symbolic flows that link people and objects both locally and globally without regard for traditional national, institutional, or organiza- tional boundaries. . . . Built on the basis of flexible, dynamic, ephemeral relations, these network flows constitute the bulk of organizational activity (Monge & Fulk, 1999).