Digital signage systems and related equipment, namely, electric signs, electronic displays, changeable electronic advertising and message display units with stand-alone capabilities, multi-networking capabilities, and remote connectivity, liquid-crystal displays, light emitting diode displays, electronic paper displays, optical fiber array displays, changeable electronic displays, changeable electronic advertising and message display units, surrounds and supporting structures for digital signage systems, portable and compact computing devices for operating digital signage systems, and portable and compact power supply units for powering digital signage systems; wired and wireless networking systems for digital signage systems and changeable electronic advertising and message display units, namely, computer hardware and software for operating electronic displays and digital signage systems, computer hardware and software for administration and operation of computer local area networks, computer networking hardware and network operating software and telecommunications and networking hardware, namely, devices for transporting and aggregating audio, data, and video communications across multiple network infrastructures and communications protocols

OPERATION AND ADMINISTRATION OF DIGITAL SIGNAGE SYSTEMS FOR OTHERS, NAMELY, PROVIDING ADVERTISING SPACE BY ELECTRONIC MEANS AND GLOBAL COMPUTER INFORMATION NETWORKS; RETAIL STORE SERVICES FEATURING EQUIPMENT FOR DIGITAL SIGNAGE SYSTEMS