42 design, for others, of telecommunications and information technology systems used for informational, communication, and entertainment purposes; integration of telecommunications and information technology systems used for informational, communication, and entertainment purposes; integration of computers and computer networks; integration of computer systems and computer networks with telephone lines and telecommunications systems; integration of visitor monitoring and surveillance systems and equipment with computer systems; providing access to an integrated digital network for the transfer and dissemination of a wide range of information; providing access to local and global computer networks for the transfer and dissemination of a wide range of information; design, for others, of systems for transmitting, receiving, and processing signals transmitted through electromagnetic waves as opposed to through wires, cables, optical fibers or other conduits; and providing access to systems for transmitting, receiving, and processing signals transmitted through electromagnetic waves as opposed to through wires, cables, optical fibers or other conduits