US-based News Corporation (formerly based in Australia) has announced its purchase of IGN Entertainment, a US-based online media group, for US$650 million. IGN's assets include popular video game sites IGN.com and GameSpy.com, as well as movie and game review site Rotten Tomatoes. IGN will become part of the News Corporation's Fox Interactive Media division, which will expand the company's online presence to become the fourth largest online media company, with over 70 million individual users and 12 billion page views per month when the takeover is complete.