They may have clipped a bit of the spirit playbook:
We give you the freedom to purchase only the things you really want during your trip. So, if you want to guarantee that Big Front Seat with extra leg room or stake your claim to that 5A window seat, go for it! Seat assignments start at just $5 per seat and vary by route and location in the aircraft. Or save more by letting us assign you a random seat assignment at check-in for free.