Z

Message sending and receiving services; telex services; cellular telephone communication; computer-aided transmission of messages and images; information about telecommunications; electronic bulletin board services; providing user access to a global computer network; providing internet chat rooms; providing access to databases

Computer programming; rental of computer software; updating of computer software; data conversion of computer programs and data, not physical conversion; computer software design; computer virus protection services; providing search engines for the internet; installation of computer software; computer system design; technical research in the field of software