T-Mobile's looking to expand its prepaid offerings, branching beyond the typical minute allowances to offer its new "Pay By The Day" service which -- you guessed it -- charges for service by the day. One dollar per day, to be exact, nets you unlimited nighttime calling and unlimited calling to other T-Mobile numbers, while other calls will run you 10 cents per minute. At the end of the day, you're shelling out $30 a month on average for the ability to yap until you're physically unable to speak any longer, as long as you don't call out of network during daylight hours. For night owls, this could be a boon.

[Via RCR]

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