Members of the U.S. House of Representatives' antitrust subcommittee concluded that Amazon, Apple, Facebook and Google are developing using non-competitive methods, including by purchasing potential competitors and using the monopoly position of their platforms. Parliamentarians propose to separate the different businesses of technology companies from the parent company, to prohibit platforms to give themselves preferences, to require to prove that there is no harm to competition when taking over other companies and a number of other measures.