By charging a premium to the heaviest broadband users, much the same way cell-phone providers collect fees from subscribers who exceed their allotted minutes, Time Warner would upend a longstanding pricing strategy among Internet service providers. Typically, phone and cable companies charge flat fees for unlimited access to the Web. "We need a viable model to be able to support the infrastructure of the broadband business," Time Warner Cable CEO Glenn Britt says in an interview. "We made a mistake early on by not defining our business based on the consumption dimension." Time Warner Cable has 8.4 million broadband customers.
In other words they have found out that unlimited data is not the way to go, from the providers' perspective. Heavy downloaders made it easy for the providers to create a case to limit Internet for everyone else.
I wonder if those heavy downloaders actually do anything with all that digital content they download...