Here is a link to an article by USA today on the new move, CLICK HERE
Remember that if you download the app and sign up be sure to click on the promo code portion and use RFOJTIK. you will get a $25 credit to use on your first booking.
And get creative by having your spouse of travel partner sign up too and use the same promo code, now you just saved $50 ($25 on each separate booking).
Remember this is only a app so you cant book online
for more info, CLICK HERE