If 15 is the maximum per day its a little misleading. Unlimited is not the term they should be using. I am sure its imposed to avoid over indulgence but I think its mainly to keep people from sharing. I think its a bad program especially if the 15 includes soda, water etc...
2008-Valor and Glory
2009-Spirit and Splendor
2010-Freedom of the Seas and Mariner of the Seas
2012-Allure of the Seas and Navigator of the Seas