There's big news in the airline industry today, as Spirit Airlines announced the addition of carry-on baggage fees to their already healthy roster of post-ticketing charges.

For those paying online, each carry on bag will cost an additional $30 unless you're in Spirit's subscription-based $9 Fare Club. Those lucky members will only be charged $20 per bag. If paying for the service in-person at the airport, the fee jumps to $45 per bag. Personal items such as purses or briefcases will continue to be free as long as they fit underneath the seat.

Although Spirit Airlines is the first carrier to initiate such a fee, there's broad speculation among the travel community on whether it will be picked up by other carriers -- checked baggage fees, paid snacks and seat selection, after all, have all been nearly universally adopted over the last three years. Perhaps this is the beginning of the end of free carry-on luggage industry wide.

On the bright side, however, there should be plenty more overhead bin space after August 1.

New baggage fees will go into effect on August 1st. You can check out more details and see whether your bag qualifies as a "carry-on" or a "personal item" over at spiritair.com.

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