computer services, namely, the design, development and implementation of custom software products for use with local and global computer networks; the design, development and implementation of custom software products for internal management, communications and e-commerce; leasing of computer software; providing access to a global computer network for the transfer and dissemination of a wide range of information; web hosting for others; computer systems design and computer network design; integration of computer software, computer systems and computer networks; and designing and maintaining network web pages for others; consulting services related to computers and computer networks; computer support services, namely, computer software updating and maintenance; and network support services, namely, providing technical consultation and information regarding the operation of computer networks and problems encountered therewith, and optimization of computer network systems