9 Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signaling, supervision checking, life-saving and teaching apparatus and instruments, namely, electrical power devices in the nature of multimedia outlets, network access server hardware, internet servers, digital media servers, television monitors, video monitors, seat-back video monitors, portable media players, earphones, video graphics controller, power supplies, electric power converters, touch pads, electrical controllers, ethernet switches, integrated circuit modules, USB cables, electric cables, fiber optic cables, antennas, computer hardware in the nature of wireless access point (WAP) devices, electronic card readers, computer terminals, point-of-sale terminals, electronic sensors for temperature, pressure, and altitude, microprocessors, memory cards, electric navigational instruments, apparatus for checking flight parameters, radio transmitters, computer hardware for upload, storage, retrieval, download, transmission and delivery of digital content, microphones, audio speakers, audiovisual receivers, amplifiers, stereo tuners, electronic switchers for audio and video signals, set-top boxes, cameras, video recorders, scanners, avionic sensor systems, namely, navigation systems, aircraft airspeed systems, and aircraft altitude indicators, entertainment system comprising a computer, multiple image display screen, and multiple input devices; apparatus for recording, transmission or reproduction of sound or images; data processing equipment, namely, computers, tablet computers, computer peripheral devices, optical disc players, and optical disc changers; downloadable computer software for providing in-flight entertainment, for making commercial transactions, for processing images and graphics, for use in the transmission of data and information, for use in customer relationship management, for database management, for retail inventory management, and for management of enterprise data