HD DVD
Lifespan: March 2006—June 2008
Price: $499.99 (player), $29.99—$39.99 (DVD)
Pushed As: Successor to the DVD
Why It Failed: Setting off the media format wars, HD DVD reigned supreme for a few months until Blu-ray came through with a gang of support from companies like Disney and Sony. Overpriced players, less of storage space, and lack of retailer and studio support all pounded nails into HD DVD's coffin.