Fun fact: the first Halo game was almost an Apple exclusive. But then Microsoft bought it and turned it into the franchise we all know and love today.
Here's a very interesting article about it: http://www.techinsider.io/steve-jobs-introduces-halo-to-the-world-video-2015-10
Here's a very interesting article about it: http://www.techinsider.io/steve-jobs-introduces-halo-to-the-world-video-2015-10