Design, creation and maintenance of computer programs; consulting relating to design, creation and maintenance of computer programs, and providing information thereon; consulting relating to design and and development of communication network systems; consulting relating to maintenance of software for communication network systems; remote operation of computers and computer programs; remote monitoring of computers and communication network systems; version upgrade of computer programs; providing search engines via the Internet; technical advice relating to computers; engineering consultancy relating to communication network apparatus and telecommunication apparatus; rental of computers; providing temporary use of non-downloadable computer programs; application service provider services