This chapter lays the foundation for understanding the multifaceted nature of vending retail, its market dynamics, and the strategic marketing decisions that shape its evolution. This chapter provides a comprehensive overview of the vending phenomenon, delving into its etymology, historical context, and current retail landscape. It traces the linguistic roots of “vending” to its French and Latin origins, noting its early use in the seventeenth century and the first vending machine by Ancient Greek inventor Hero. The chapter positions vending within nonstore retailing, highlighting its substantial global market value and dominance in Asia Pacific, Western Europe, and North America. It distinguishes between entrepreneurial and conventional marketing approaches, especially for small- and medium-sized enterprises (SMEs) versus large enterprises, and discusses the fragmented market with a few large companies holding significant shares. The chapter also explores vending machines as advertising mediums and self-service technologies (SSTs), emphasizing their role in proximity marketing, customer engagement, and service innovation.