At one time there were dozens of free residential (white pages) and business (yellow pages) information search engines. Now almost all of the major search engines are powered by Intelius which is a fee based search engine. Intelius now controls such a large percentage of the web search engines that the supply of information services has become severely limited. Such horizontal integration is considered predatory and monopolistic as it limits the ability of the consumer to obtain the desired service at a competitive (formerly free) price. read full review »