MobileReference on Mobipocket for sale in Australia only—owing to those works having fallen into public domain in Australia. However, when the e-books were automatically uploaded to Amazon by MobiPocket, the territorial restriction was not honored, and the book was allowed to be sold in territories such as the United States where the copyright term had not expired. Author Selena Kitt fell victim to Amazon content removal in December 2010; some of her fiction had described incest. Amazon claimed "Due to a technical issue, for a short window of time three books were temporarily unavailable for re-download by customers who had previously purchased them. When this was brought to our attention, we fixed the problem..." in an attempt to defuse user complaints about the deletions. Late in 2013, online blog The Kernel released multiple articles revealing "an epidemic of filth" on Amazon and other e-book storefronts. Amazon responded by blocking books dealing with incest, bestiality, child pornography as well as topics such as virginity, monsters, and barely-legal. Sale of Wikipedia's material as books The German-speaking press and blogosphere have criticized Amazon for selling tens of thousands of print on demand books which reproduced Wikipedia articles. These books are produced by an American company named Books LLC and by three Mauritian subsidiaries of the German publisher VDM: Alphascript Publishing, Betascript Publishing and Fastbook Publishing. Amazon did not acknowledge this issue raised on blogs and some customers that have asked the company to withdraw all these titles from its catalog. The collaboration between amazon.com and VDM Publishing began in 2007. Product substitution The British consumer organization Which? has published information about Amazon Marketplace in the UK which indicates that when small electrical products are sold on Marketplace the delivered product may not be the same as the product advertised. A test purchase is described in which eleven orders were placed with different suppliers via a single listing. Only one of the suppliers delivered the actual product displayed, two others delivered different, but functionally equivalent products and eight suppliers delivered products that were quite different and not capable of safely providing the advertised function. The Which? article also describes how the customer reviews of the product are actually a mix of reviews for all of the different products delivered, with no way to identify which product comes from which supplier. This issue was raised in evidence to the UK Parliament in connection with a