On Tuesday, Sony unveiled Double Density CD-R and CD-RW drives and discs. Dubbed DD-R and DD-RW, the discs can hold 1.3GB of data. That is twice the capacity of CD-R and CD-RW discs, which hold 650MB. The technology doubles the capacity of the discs by essentially shrinking the space between the tracks on the media. The drives will be available in retail stores by the beginning of April and will cost $249. DD-R discs will cost $1.99 each, and DD-RW discs will cost $2.99.
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