Flat Fee. Pay-Per Use

Most Internet users are either not charged to access information,
or pay a low-cost flat fee. The Information SuperHighway, on the
other hand, will likely be based upon a pay-per-use model. On a
gross level, one might say that the payment model for the Internet
is closer to that of broadcast (or perhaps cable) television while
the model for the Information SuperHighway is likely to be more
like that of pay-per-view T.V.
'Pay-per-use' environments affect user access habits. 'Flat fee'
situations encourage exploration. …