In Memoriam, FlyerTalk Evangelist
Join Date: Jul 2002
Location: Durham, NC (RDU/GSO/CLT)
Programs: AA EXP/MM, DL GM, UA Platinum, HH DIA, Hyatt Explorist, IHG Platinum, Marriott Titanium, Hertz PC
Posts: 33,856
As far as I know you'll have to use them to upgrade companions. Also I think they used to be able to be converted into mileage, though I am not sure if they still can be.