The prime aim of this article is to know about holographic data storage. All data storage in current times are completed on disc, be it a computer hard drive or a CD-R disc. Blue-ray and HD-DVD have upped the stake when it comes to the quantity of data that you can grasp on a disc, but at several time they will finally become outdated. Right now our data storage needs are presently met, but as the sum of data accessible continues to grow, storage technology must evolve with it.