The rise of cable and satellite communications, while initially captured and dominated by commercial interests, has weakened the power of the network oligopoly and retains a potential for enhanced local-group access. There are already some 3,000 public-access channels in use in the United States, offering 20,000 hours of locally produced programs per week, and there are even national producers and distributors of programs for access channels through satellites (e.g., Deep-Dish Television), as well as hundreds of local suppliers, although all of them must struggle for funding.