The Windows 7 Burger was a collaborative effort between Microsoft and Burger King to promote both companies in Japan for the Windows 7 release. The burger contains a whopping 7 layers of beef, which measures to a 5-inch (12cm) tower. The first 30 burgers were sold for 777 yen ($8.55 USD). Any Windows 7 burger after the first 30 were sold for 1450 yen ($16 USD). The burger contains a total of