In Philip K. Dick's "Sales Pitch," the protagonist experiences a world inundated with persistent robotic advertisements. These robots are omnipresent, always ready to engage with individuals as soon as they arrive, creating a relentless sales environment. The nature of these sales tactics extends beyond traditional methods, as the machines actively invade personal thoughts, manipulating desires and needs in an intrusive manner.

The protagonist's sense of loss of privacy is palpable as these robots follow people continuously. This persistent presence raises questions about autonomy, consumerism, and the psychological effects of an overly commercialized society. The relentless nature of these ads symbolizes a darker aspect of technological advancement, where the boundary between personal space and commercial influence is irrevocably blurred.