Writable DVD Formats - Advantages and Disadvantages

Introduction and some History
The chosen subject for my report is Writable DVD formats, which are fast becoming the very latest in backup/copying media hardware. Not so long ago, there was a paradigm shift from WORM CD to WORM DVD devices, all the technology from CD was used in a side step, then moved forward, advancing the hardware beyond the original aims and life expectancy of the intended product. The shift from CD to DVD writing is taking a similar shape, taking the technology from an old format and enhancing the curve, this need is being perpetuated by the demand for higher storage volume, particularly aimed at data backup, video usage, audio, graphic and animations.
The Facts
The different formats are listed below; I have detailed some brief facts about each format, highlighting advantages and disadvantages.
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