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“We have encountered no new additional barriers to investment or deployment as a result of the 2015 decision to reclassify broadband as a telecommunications service and have long supported network neutrality as a core principle for the deployment of networks for the American public to access the Internet,” the ISPs said in a letter to Pai that was organized by the Electronic Frontier Foundation (EFF).

The current rules are necessary “to address the anticompetitive practices of the largest players in the market,” but “the FCC’s current course threatens the viability of competitive entry and competitive viability,” the companies wrote.