Along the way, the Xbox 360 has become a major part of Microsoft's stable of products, and has helped spawn (or enhance) some of the biggest and most important exclusive titles and accessories in video game history: the Halo, Gears of War, and Fable franchises, among many others; the Kinect motion-sensitive controller; and of course, the massively popular Xbox Live service.
"Xbox 360 itself has gone through several iterations. When it launched in 2005, it was a somewhat barebones machine with a bolt-on 20GB hard drive and neither a built-in HD DVD drive nor integrated Wi-Fi. Over the years, Microsoft has released several new versions of Xbox--first the Xbox 360 Elite in 2007, which came with a 120GB hard drive and an HDMI port, an HDMI cable, and a wireless remote; and later the Xbox 360 Slim, which features a 250GB hard drive. Over the years, the price of the core console has dropped only from $400 in 2005 to $300 today."
Happy Birthday! Xbox.