Outlines legal issues in Internet advertising to children in the USA, European Union, Australia and Canada; the Internet is now dominated by mainstream international companies which market to children. Outlines the COPPA (Children’s Online Privacy Protection Act) in the USA, plus the work of CARU (the Children’s Advertising Review Unit). Moves on to the European Union’s Data Protection Directive and Communications Data Protection Directive, and the guidelines of the FEDMA (Federation of European Direct Marketing Associations). Concludes with the Australian Privacy Act and the guidelines of the Canadian Marketing Association.