Yeah you do.
If you have cable AND internet you buy the modem, rent the set top AND pay a transmission fee to watch the same shows you watched the night before without a fee.
Moooooo. We are the cash cow.
We are stuck with it because there is no competition, and no other options except to build your own Internet service. We will never have fair competition as long as giant corporations are allowed to woo FCC members and grease Congress.
Mac: No windows, No Gates, Apple inside