Computer network services; Computer security services (design and development of secure computer hardware, software and systems); Computer software design; Computer software development; Computer support services (computer hardware, software and peripherals advisory and information services); Design of computer databases; Development of computer based networks; Hosting computer sites (web sites); Information services relating to computers; Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Providing information, including online, about design and development of computer hardware and software; Provision of information relating to computers; Compilation of information relating to information technology; Creating indexes of online information; Creating indexes of online websites and information sources; Design of information systems; Information services relating to information technology; Information technology (IT) consultancy; Online provision of web-based applications; Online provision of web-based software; Providing information, including online, about industrial analysis and research services; Providing information, including online, about scientific and technological services and research and design relating thereto; Provision of online non-downloadable software (application service provider); Providing search engines for the internet; Design and development of search engines; Development, maintenance and updating of a telecommunication network search engine; Programming services for search engine optimisation; Provision of search engine services; Search engine feeder services; Authentication services for electronic documents and e-mail