The document discusses the history and features of automatic teller machines (ATMs). It begins by explaining how ATMs provide convenient banking access for customers 24/7. It then describes the basic functions of an ATM and how customers can deposit, withdraw, and check balances without bank employees. The document outlines the origins of the first ATM in the 1960s and its growth. It also covers the types of ATMs, how to use an ATM, the advantages and disadvantages, and newer technologies like biometric authentication and real-time gross settlement systems.