This chapter articulates a public engagement methodology that carefully navigates the middle ground between idealist and cynical purposes, combining Warner’s understanding of publics with vernacular rhetoric and ethnography, leading to a coherent set of principles for more ecologically valid research, which we call “organic public engagement.” Working from the conclusions of the previous four chapters and research in quasi-ethnography and ethnographic approaches to science and technology studies, we develop six principles that guide organic public engagement. The chapter concludes with a description of how the methodology was deployed in a specific case, offering a concrete example for future research and practice.