The ending cutscene (every difficulty) shows the Master Chief removing his helmet, however his face is not shown. On the PC version of the game, the cutscene can be viewed in a free roam view with some minor tweaking and modifying. It shows the Master Chief removing his helmet, only there is another exact helmet underneath. This video can be viewed on YouTube.
Bungie had no idea gamers would be willing to bring their TVs over to other people's homes just to play them in multiplayer over System Link. They figured that the only people who would play it were college students who already had Local Area Networks (LANs) installed in their dorm rooms. That's why, even though System Link supports 16 players, you can only network four Xbox consoles together. When System Link became Halo's most popular feature, and Bungie discovered people were willing to bring over equipment to other people's homes to have LAN parties, this was changed in Halo 2.
Was introduced at Macworld Expo in 1999 by Apple co-founder Steve Jobs set for a release on the Macintosh. Then Bungie was bought out by Microsoft.
In a top 50 poll ran by the Guinness World Records, this was listed as the greatest game of all time.