Verizon Communications Inc defended its decision to slow data downloads for some customers using older unlimited data plans, telling U.S. regulators it was a "widely accepted" and lawful part of network management.
In July, Verizon said high speed wireless customers who subscribe to the company's legacy unlimited data plans might experience slower speeds starting Oct. 1. The company has a similar policy in place for customers on its slower
3G network.for full article please see:
IMHO, it seems pretty sleazy to offer an "unlimited" service plan and then fail to provide it.
Back in the 1970s, the Bell System was considering a new policy, "Usage Sensitive Pricing" where the widespread use of flat rate local service would be changed to measured service. New mini-computer based AMA systems (AMARS, AMARC, CDA) would make this economically possible, even in step-by-step offices.
"In the 1980s, with the goal of universal service met and with pressure caused by increasing competition to relate charges to cost of service more closely, the trend is toward usage-sensitive rates." --Bell Engineering text.
Fortunately, these plans were never implemented on a widespread basis.