service industries 200 internet 125 mobile services 105 web services 89 firm 87 mobile communication 75 telecommunications 71 more ... information services 65 communication networks 63 products 59 radiocommunications 54 computer networks 46 software 44 www 43 information retrieval 38 information systems 37 telematic services 33 management 31 management information systems 27 computer technology 27 radio amateur services 23 social services 23 buildings for servece industries 21 wireless computer networks 20 data transmission 19 radio communication services 19 artificial intelligence 19 quality 18 mobile phones 18 trade 18 less ...