 The amendment would have prohibited Internet service providers such as AT&T, Comcast, Time Warner Cable and Verizon Communications from charging fees to give some companies' data a higher priority in relation to other traffic.The metaphor has been widely ridiculed, particularly because Stevens displayed an extremely limited understanding of the Internet, even though he was in charge of the Senate committee with the responsibility for regulating it.Edward Felten, Princeton University professor of computer science, pointed out the unfairness of some criticisms of Stevens' wording, while maintaining that the underlying arguments were rather weak.