General Electric has developed a DVD-sized optical storage disc that holds 500GB of data. Using 3D optics, instead of the "2D" pit method of writing/reading data, the discs, which hold more than ten times the data of the current highest-capacity Blu-ray discs are first being targeted at the "archive" market, but the fact the company is running with a storage medium that is the same size as traditional DVDs and CDs lets us know that they are eventually aiming at consumer markets.

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