service industries 140 internet 124 mobile services 104 web services 91 mobile communication 75 telecommunications 73 information services 68 more ... communication networks 63 radiocommunications 55 computer networks 46 www 43 firm 42 software 41 information retrieval 38 information systems 35 management 33 management information systems 32 telematic services 31 computer technology 29 radio amateur services 24 social services 23 buildings for servece industries 21 wireless computer networks 20 radio communication services 19 artificial intelligence 19 quality 18 mobile phones 18 multimedia 18 entrepreneurship 18 data transmission 18 less ...