Holographic Storage

Blu-ray/HD DVD Could Become Irrelevant as HVD Nears: "Called Holographic Versatile Disc (HVD), this emerging technology has been in the works (at least conceptually) for about 20 years. It wasn't until the beginning of the 21st century that real advances were made, however. Holographic disk storage allows for much higher density than DVDs by storing data as light patterns throughout the volume of the polymer disc, or three dimensions. HVD can apparently store up to 60 times the data of a regular DVD and it can read and write data 10 times faster as well. "