In two blog posts it is discussed how Amazon is protecting Australian publishers by restricting what ebooks are sold in Australia.
There’s No Legal Reason For Geo Restrictions On eBooks
Industry source says ebook geo-restrictions not legal – suggests we rort at will
Rort
The word rort in the second title is not a typo. Here is the definition of the word.
How are Australians rorting?
If you looked at the Wikipedia definition of rort you see that it is used as a verb to mean the action of defrauding. Why is the issue of defrauding being raised? It is because Australians that want to buy georestricted books have ways to get around the restrictions. One way to do this is to use an American credit card and open an account that Amazon does not know is in Australia and then you buy books as if you are in the U.S.