Providing multiple-user access to a global computer communication and information network

Intercoms; Alarm sensors; Computer hardware and computer peripherals; Computer network-attached storage (NAS) hardware; Electric cables, wires, conductors and connection fittings therefor; Printed circuit boards (PCBs); Protective covers and cases for cell phones, laptops and portable media players; Secure Digital (SD) Memory Cards; Wireless headphones; Wireless transmitters and receivers