If anyone did not yet notice this I want to inform you that Apple announced an AC Wall Plug Adapter Exchange Program for the two prong Apple AC wall plug adapters delivered for Continental Europe, Australia, New Zealand, Korea, Argentina and Brazil from 2003 to 2015 with Mac and certain iOS devices (and also included in the Apple World Travel Adapter Kit).
More infos here:
http://www.apple.com/support/ac-wallplug-adapterRgds and be safe
HeAu