The freemium model is closely related to tiered services.

But the phone and cable industries have powerful allies in Congress who are already proposing legislation that would let them introduce this tiered service.

As an alternative, Apple or other content providers that sign up for premium delivery could set up tiered services of their own.

Attempts have been made to put price controls on tiered service.

ISPs say that tiered services are necessary to keep and maintain network performance.

I'm not sure the telcos and I see eye to eye on tiered services.

All three already offer tiered service, with limited plans priced as low as at $9.95.

Juno, which was one of the earliest providers of free e-mail, already offers tiered service.

Corporations would surely love to privatize the net, control all aspects of it, and start selling it as a tiered service.

Maybe the solution is to offer tiered service.