Barcode scanners; Cash registers; Computer peripherals; Computer stands specially designed for holding a computer, printer and accessories; Computers; Electronic device for monitoring and optimizing photovoltaic arrays; Electronic devices, namely, energy meters for tracking and monitoring energy usage; Electronic devices, namely, energy submeters for tracking and monitoring energy usage; Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Magnetic encoded identification bracelets; Magnetic encoders; Set-top boxes; Ad server, namely, a computer server for storing advertisements and delivering advertisements to websites; Computer monitors; Electronic advertisement and messaging display unit with multi-networking (TCP/IP) capabilities and remote connectivity; Electronic advertisement boards featuring a neon lamp; Electronic equipment for point-of-sales (POS) systems, namely, point-of-sale terminals, bar code readers, optical readers, advertisement display monitors, keyboards, printers, scanners, radio transmitters, radio receivers, computer hardware, and computer operating software; Electronic equipment for point-of-sales (POS) systems, namely, point-of-sale terminals, bar code readers, optical readers, advertisement display monitors, keyboards, printers, scanners, radio transmitters, radio receivers, computer hardware, and computer operating software; Electronic LCD advertisement display unit with multi-networking (TCP/IP) capabilities; Entertainment system comprising a computer, multiple image display screen, multiple input devices and a printer; LCD projectors used to display advertisements; Loudspeaker cabinets; Televisions and monitors; TV monitors; Video monitors