Computer programming, software development; computer software design for others; computer software design services for others; installation, updating and maintenance of computer software; computer software maintenance; advisory services relating to software for computers; consultancy in the field of computer software; computer software technical support services; advisory and consultancy services relating to computer hardware; development of interactive multimedia software; custom design of software packages; design, development and implementation of software; design relating to computer systems; designing computer systems; advisory services relating to computer systems design; provision of search engines for the Internet