Then, in 1996, America Online opened the floodgates by introducing a monthly flat rate instead of charging by the hour.
CNN: The good ol' days of AOL chat rooms
Stuck for now with flat-rate monthly billing, CTM and DSL providers are throttling down speeds to control the traffic they must carry through their long-haul networks.
CNN: OPINION: The push is on to deploy high-speed, always-on residential Internet access
Flat-rate monthly billing is to blame.
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