The most common devices used to store information are DVDs and CDs. They are also known as storage tools as they are capable of storing large amounts of data on them. It is very simple and easy to copy or write with the help of a programmed and computerised procedure. You can store information on the CD and DVD with the use of laser lens that saves data electronically.The CD and DVD replication industry is growing fast and this is seen in various countries such as the UK, US, Australia and Japan etc. There are companies who provide specialised services for people who require DVDs and CDs replicated in large or even small quantities.Replication is a process wherein data is transferred from one disc to another with the help of an electronic copying medium. This happens with the approval of the manufacturer. This procedure requires expensive mechanised equipment to run.People are often confused between replication of a CD / DVD and duplication. Replication needs the approval of the manufacturer unlike duplication. This method requires making large quantities of CDs and DVDs with the help of a glass master.CD and DVD replication have different advantages attached to their price and usefulness. It is recommended to opt for either method to get multiple copies of CDs and DVDs, but you should carefully check the cost effectiveness of each.