42 The development of computer software; the design, development, actualization and installation of software for the benefit of internet applications, advice about the use and application of software and on-line computer networks; development and programming of software, copywriting and lay-out making, all advice for the benefit of web-sites, especially sale-sites; advice about the application and practical user's possibilities of the Internet; development and design of networks; technical advice concerning internet products and internet services, especially aimed at healthcare and pharmacists; control activities for the benefit of technical network management; the supply of hardware and software necessary for rendering various services