Provision of an online marketplace for buyers and sellers of goods and services; Business management assistance; Business information and inquiries; Advertising through all public communication means; Compilation of advertisements for use as web pages on the Internet; Business operation of shopping centers for others; Advertising by transmission of on-line publicity for third parties through electronic communications networks; Provision of advertising space by electronic means and global information networks; Updating of advertising material; Publication of advertising material on-line; On-line promotion of computer networks and websites; Computer data entry services; Invoicing services; Business management and organization consultancy; Business administration consultancy; Creating advertising material