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The first commercial CD was transparent and rectangular in shape. It cost up to $1,000.
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The CD Video is round in shape like a modern-day CD, but most of the time it is golden in color.
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The Compact Disc Recordable is circular and usually silver in color. It can look like a modern-day CD.
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The Compact Disc-Interactive is a flat, rectangular box that is black in color. Its controller looks like a gaming console's.
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Like its older version, the more modern CD Video is round in shape, but its color varies.
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The Compact Disc Re-Writable looks like a modern-day CD that you would see nowadays.
