Rockstar, by the way, is more than just a convenient way for five companies to throw in together to buy and manage some patents; it’s also a buffer to protect these five companies from counter suits. In addition, it’s a PR tool. Poor little Microsoft or poor little Apple isn’t suing anybody. They have no control over what the big bad folks at Rockstar do. According to Ars, Rockstar is more than willing to play along with that notion.