This chapter describes the GhostFood public art project, in which ahighly targeted and controlled scentscape was designed to accompany foodsamples consumed by participants. Factors involved in selecting, testingand evaluating the specific scents, and how these were influenced byassumptions regarding the personal food-related memories of theaudience, local cultural norms, and the social contexts in which thescents were to be experienced, are discussed, as is anecdotal evidenceregarding the effectiveness of the scent/food combinations. The chapterconcludes with a futuristic look at how olfactive technologies mightimpact sustainability, obesity, shared identities and new forms ofexperimentation.