Computer software for security and optimization of data transmission via computer and telecommunications networks, namely for data encryption, data compression and enhancement of connectivity persistence, software for use in data entry, data compilation, data assembly and data transmission for computer networks; recorded computer programs, namely, communication software to access data stored on a mobile computer and transfer data to a business network; programming languages in the nature of recorded computer operating programs containing programming languages; computer software recorded magnetically, electronically, and optically on data media for accessing data stored on a mobile computer and transferring data to a business network; downloadable instructional materials concerning computers and data in the nature of operating computer programs, recorded electronically, optically, and magnetically for instructional purposes; equipment for magnetic, optical and electronic recording of data, namely, electronic data recorders and containers and receptacles intended for these products, namely, carrying cases specially adapted for electronic data recorders; all the foregoing excluding transmission of video images over a global computer network