A couple of years ago, Facebook revealed it was using Blu-ray disks as a cost-efficient way to archive the billions of images that users uploaded to its service. Now, Panasonic has said it plans to commercialize the technology for other businesses and is working on new disks that will hold a terabyte of data.

Panasonic is calling its product line “freeze-ray,” because it’s used for a type of storage known as cold storage, where large amounts of data need to be stored for long periods of time and are rarely accessed.

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