Sarcasticgamer.com writes: "PC gamers have had the ability to download demos for quite some time now, but console gamers didn't get their chance to test out games until the release of the Xbox 360. Sure, there were some demo discs circulating prior to that, but demos really didn't hit the mainstream until Microsoft's second console hit store shelves.
Not every demo is a winner, though. While it's true that free is good, sometimes that becomes a little sketchy (I'm looking at you, Yaris.) The demos currently on Xbox Live range on both ends of the spectrum, ranging from the ones that make you want to buy the game, to others that make you wish there were refunds for your time spent..."