This chapter provides a review and synthesis of information related to technologies available at the retail POS (point-of-sale) checkout. Several POS technologies available to retailers are described, detailing their benefits and drawbacks for both retailers and consumers. The five technologies described and analyzed are barcode scanning, electronic shelf tags, shelf-checkouts, RFID tags, and fingerprint authentication. The extent to which retailers have implemented these available technologies is described, and perspectives on the future implementation of these technologies and emerging trends are also presented. Findings would indicate that there will continue to be innovations in retail technology at POS, and shopper expectations will continue to change. At the same time, retailers will probably remain cautious in deciding if and when to adopt new technologies. They must be convinced that the innovations will deliver sufficient value to offset their expenses.