9 Computer hardware and computer peripherals, namely, computer memories, read only memory devices and random access memory devices used to store data, memory cards, microchips, microprocessors, data storage devices, devices that read and write electronic data, computer printers, data conversion devices, computer chips, communications servers; media for storing data, namely, blank and pre-recorded holographic plates, holographic substrates, holographic layers, holographic disks; optical components for storing and retrieving data, namely optical filters, optical mirrors, optical scanners, optical lenses, lasers, photopolymer films and substrates, optical waveguides; electronic components for storing and retrieving data, namely circuit boards containing active and passive components, optoelectronic detectors, charge-coupled device detectors and integrated circuits; computer interface boards; computer software to automate data warehousing, data compression software; computer hardware and software for converting electronic data from one format to another format so that it can be stored and retrieved