Advertising agencies; Advertising services; Business investigations; Design of advertising materials for others; Design of internet advertising; On-line advertising on computer communication networks; Preparing and placing of advertisements; Public relations; Publicity agents; Television advertising agencies

Computer programming and computer system analysis; Computer software design and updating; Computer system design services; Duplication of computer programs; Maintenance of computer software; Programming of computer software for others; Scientific research; Scientific research and development; Software design and development; Survey design and research