42 Computer software leasing services for others; computer software design and development for others; monitoring of computer systems; monitoring of computer systems; monitoring the computer systems of others and providing back-up computer programs and facilities; computer application design, integration, networking, connectivity and interface services; providing on-line bulletin boards, chat rooms and forums in the fields of computer hardware and computer software ; on-line batch computer services using a global computer network; providing access to computer network services using a global computer network; providing acesss to computer network services and products via a global computer network