Kiosks and point of sale (POS) systems are used for sales processing and inventory tracking. Examples include electronic cash registers, computerized check-out systems, and self serve kiosks. Traditionally, kiosks were simply manned sales booths generally located in shopping centers. Today, kiosks and point of sale (POS) systems have become electronically-based, interactive terminals that allow users to conduct business or access the Internet. Most kiosks and point of sale (POS) systems today are touch screen kiosks that provide a connection to the Internet; others kiosks are linked directly to internal business systems. Kiosks and point of sale (POS) systems technology is becoming a much more common method to conduct business, increase sales, interact with customers, and even conduct internal business operations such as human resource functions).