Development of programs for data processing; services of a data base; indexing, checking and preparation for access to and information about computer nets, contents and services; preparation and leasing of access times to computer data bases, computer mailboxes, computer nets, interactive communication nets for computers, electronic publications in different fields, trade and services catalogues, computer dating services, computer consulting services; ordering via a telephone and computer terminal in the field of food, lodging of guests, medical supply, physician supply and beauty supply; scientific and industrial research, software programming, technical computer services, facilitating of a multi-user access to global computer nets and mailboxes for the transmission and distribution of a broad range of information about computer networks; Internet services, namely providing, maintaining and service of access to the Internet, design of web sites; services of a printing office, especially electronical printing of texts and images on paper and synthetic material; encoding and personalizing of paper, synthetic cards, magnetic strips, cards and chip cards by stamping, thermotransfer and laser engraving