Advertising services provided via a data base; Business data analysis; Collation of data; Collection of data; Computerised data processing; Computerised data verification; Computerised database management; Data cleansing services (correcting or removing inaccurate or incomplete data from databases); Data collection (for others); Data handling; Data management; Data processing; Market research data collection services; Market research data retrieval services; Online data processing services; Marketing in the framework of software publishing; Advertising; Advertising analysis; Business advice relating to advertising; Compiling indexes of information for commercial or advertising purposes; Electronic advertising services; Market survey analysis; Market surveys; Measurement of radio and television audience numbers (ratings surveys); Processing of business survey results; Surveys (opinion polling); Surveys for business purposes