Dissemination of advertisements; dissemination of advertising via block-chain networks; dissemination of advertising via on-line communications networks; sales promotion for others provided through the distribution and the administration of privileged user cards; promoting the goods and services of others by distributing advertising materials through a variety of methods; providing information about products via telecommunication networks for advertising and sales purposes; information services relating to advertising; analysis of advertising response; drafting of publicity material; provision of information and advisory services relating to e-commerce; statistical analysis and reporting; providing recommendations of goods to consumers for commercial purposes; research and analysis in the field of market manipulation