Software for use in operating digital signage networks of any size; Video displays for gasoline dispensers comprised of LCD displays, embedded wireless receivers for multicasting video, environmental controllers, motherboards, CPU's (central processing units), wireless radio antennas and analog-digital converter boards; Computer programs for use in payment transaction processing and financial applications in the nature of accepting payment; Computer printers, scanners, card readers for magnetically encoded cards, data capture devices, namely, video capture cards, digital film scanners, Telephones, modems, multiplexers, network interface devices, and computers for electronic transfer of data; Computer data terminals; Secure credit card and transaction processing terminals for electronic transactions; Electronic cash registers, point of sale terminals, computer peripherals and data entry and inquiry terminals for operations management and for processing and transferring credit and debit card transactions, payments and financial data and other data presented thereto, for retail, wholesale and service industry applications, and computer software for such terminals